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O'Hare International Airport

January 01, 1970

"O'Hare" and "ORD" redirect here. For other uses, see O'Hare (disambiguation) and Ord (disambiguation).

Chicago O'Hare International Airport[a] (IATA: ORD, ICAO: KORD, FAA LID: ORD) is a major international airport serving Chicago, Illinois, located on the city's Northwest Side, approximately 17 miles (27 km) northwest of the Loop business district. Operated by the Chicago Department of Aviation[4] and covering 7,627 acres (3,087 ha),[5][6] O'Hare has non-stop flights to 214 destinations in North America, South America, the Caribbean, Europe, Africa, Asia, the Middle East, Oceania, and the North Atlantic region as of November 2022.[7][8] As of 2023, O'Hare is considered the world's most connected airport.[9] It is also U.S.A.'s 4th busiest airport, and 7th biggest airport.

Chicago O'Hare International Airport
Summary
Airport typePublic
Owner/OperatorChicago Department of Aviation
ServesChicago metropolitan area
LocationO'Hare, Chicago, Illinois, U.S.
OpenedFebruary 1944; 80 years ago (1944-02)[1]
Hub for
Focus city forPolar Air Cargo
Operating base for
Elevation AMSL668 ft / 204 m
Coordinates41°58′43″N 87°54′17″W / 41.97861°N 87.90472°W / 41.97861; -87.90472
Websiteflychicago.com/ohare
Maps

FAA airport diagram
Runways
Direction Length Surface
ft m
4L/22R 7,500 2,286 Asphalt
4R/22L 8,075 2,461 Asphalt
9L/27R 7,500 2,286 Concrete
9C/27C 11,245 3,427 Concrete
9R/27L 11,260 3,432 Asphalt/concrete
10L/28R 13,000 3,962 Asphalt/concrete
10C/28C 10,800 3,292 Concrete
10R/28L 7,500 2,286 Concrete
Helipads
Number Length Surface
ft m
H1 200 61 Concrete
Statistics (2023)
Passenger volume73,894,226
Aircraft movements720,582
Cargo (metric tons)1,906,462.5
Source: O'Hare International Airport[3]

Designed to be the successor to Chicago's Midway International Airport, itself once nicknamed the "busiest square mile in the world," O'Hare began as an airfield serving a Douglas manufacturing plant for C-54 military transports during World War II. It was renamed Orchard Field Airport in the mid-1940s and assigned the IATA code ORD. In 1949, it was renamed after aviator Edward "Butch" O'Hare, the U.S. Navy's first Medal of Honor recipient during that war.[10][11] As the first major airport planned after World War II, O'Hare's innovative design pioneered concepts such as concourses, direct highway access to the terminal, jet bridges, and underground refueling systems.[12]

O'Hare became famous during the jet age, holding the distinction as the world's busiest airport by passenger traffic from 1963 to 1998. It still ranks as one the busiest airports in the world, according to the Airports Council International rankings.[13][14] In 2019, O'Hare had 919,704 aircraft movements, averaging 2,520 per day, the most of any airport in the world in part because of a large number of regional flights.[15] On the ground, road access to the airport is offered by airport shuttle, bus, the Chicago "L", or taxis. Interstate 190 (Kennedy Expressway) goes directly into the airport. O'Hare is a hub for American Airlines and United Airlines (which is headquartered in Willis Tower),[16][17] as well as an operating base for Spirit Airlines.[18][19]

History edit

Establishment and defense efforts edit

See also: Illinois World War II Army Airfields
 
Grumman F4F-3 Wildcat on display in O'Hare's Terminal 2, restored in the markings of "Butch" O'Hare's plane

Soon after the opening of Chicago Municipal Airport in 1926, the City of Chicago realized more airport capacity would be needed. The city government investigated various sites in the 1930s but made little progress before America's entry into World War II.[10]

O'Hare began as a manufacturing plant for Douglas C-54 Skymasters during World War II. The site was known as Orchard Place, previously a small German-American farming community. The 2 million square feet (190,000 m2) plant, in the northeast corner of what is now the airport, needed easy access to the workforce of the nation's second-largest city, as well as its railroads and location far from enemy threat. 655 C-54s were built at the plant, more than half of all produced. The airfield, from which the C-54s flew out, was known as Douglas Airport; initially, it had four 5,500-foot (1,700 m) runways.[10] Less known is the fact that it was the location of the Army Air Force's 803rd Specialized Depot,[20] a unit charged with storing many captured enemy aircraft; a few representatives of this collection would eventually be transferred to the Smithsonian Institution's National Air and Space Museum.[21][22]

Douglas Company's contract ended with the war's conclusion. Douglas considered building airliners at Orchard but chose to concentrate civil production at its headquarters in Santa Monica, California.[10] With the departure of Douglas, the complex took the name Orchard Field Airport, and was assigned the IATA code ORD.[23]

The United States Air Force used the field extensively during the Korean War; the airport then had no scheduled airline service. Although not its primary base in the area, the Air Force used O'Hare as a fighter base; it was home to the 62nd Fighter-Interceptor Squadron flying North American F-86 Sabres from 1950 to 1959.[24] By 1960, the need for O'Hare as an active duty fighter base was diminishing, just as commercial business was picking up at the airport. The Air Force removed active-duty units from O'Hare and turned the station over to Continental Air Command, enabling them to base reserve and Air National Guard units there.[25] As a result of a 1993 agreement between the City and the Department of Defense, the reserve base was closed on April 1, 1997, ending its career as the home of the 928th Airlift Wing and of the 126th Air Refueling Wing in 1999. At that time, the remaining 357-acre (144 ha) site came under the ownership of the Chicago Department of Aviation.[26]

Early commercial development edit

In 1945, Chicago mayor Edward Kelly established a board to choose the site of a new airport to meet future demand. After considering various proposals, the board decided upon the Orchard Field site and acquired most of the federal government property in March 1946. The military retained a small parcel of property on the site and the right to use 25% of the airfield's operating capacity for free.[10]

Ralph H. Burke devised an airport master plan based on the pioneering idea of what he called "split finger terminals", allowing a terminal building to be attached to "airline wings" (concourses), each providing space for gates and planes. (Pre-war airport designs had favored ever-larger single terminals, exemplified by Berlin's Tempelhof.) Burke's design also included underground refueling, direct highway access to the front of terminals, and direct rail access from downtown, all of which are utilized at airports worldwide today.[27] O'Hare was the site of the world's first jet bridge in 1958,[28][29] and successfully adapted slip form paving, developed for the nation's new Interstate highway system, for seamless concrete runways.

In 1949, the City renamed the facility O'Hare Airport to honor Edward "Butch" O'Hare, the U.S. Navy's first flying ace and Medal of Honor recipient in World War II.[30] Its IATA code (ORD) remained unchanged, however, resulting in O'Hare being one of the few IATA codes bearing no connection to the airport's name or metropolitan area.[23]

Arrival of passenger service and subsequent growth edit

Scheduled passenger service began in 1955,[31] but growth was slow at first. Although Chicago had invested over $25 million in O'Hare, Midway remained the world's busiest airport and airlines were reluctant to move until highway access and other improvements were completed.[32] The April 1957 Official Airline Guide listed 36 weekday departures from O'Hare, while Midway had 414. Improvements began to attract the airlines: O'Hare's first international terminal opened in August 1958, and by April 1959 the airport had expanded to 7,200 acres (2,900 ha) with new hangars, terminals, parking and other facilities. The expressway link to downtown Chicago, now known as the Kennedy Expressway, was completed in 1960.[31] And new Terminals 2 and 3, designed by C. F. Murphy and Associates, opened on January 1, 1962.[33]

The biggest factor driving airlines to relocate their operations from Midway to O'Hare was the jet airliner; the first scheduled jet at O'Hare was an American 707 from New York to Chicago to San Francisco on March 22, 1959.[34] One-mile-square (2.6-kilometer-square) Midway had no space for the runways that 707s and DC-8s required. Airlines had been reluctant to move to O'Hare, but they naturally did not want to split their operations: in July 1962, the last fixed-wing scheduled airline flight in Chicago moved from Midway to O'Hare. Until United returned in July 1964, Midway's only scheduled airline was Chicago Helicopter Airways. The arrival of Midway's traffic quickly made O'Hare the world's busiest airport, serving 10 million passengers annually. Within two years, that number would double, with Chicagoans boasting that more people passed through O'Hare in 12 months than Ellis Island had processed in its entire existence. O'Hare remained the world's busiest airport until it was eclipsed by Hartsfield-Jackson Atlanta International Airport in 1998.

O'Hare had four runways in 1955;[35] 8,000 foot (2,400 m) runway 14R/32L opened in 1956 and was extended to 11,600 feet (3,500 m) a few years later, allowing nonstops to Europe. Runway 9R/27L (now 10L/28R) opened in 1968 and runway 4R/22L in 1971.

Post-deregulation developments edit

 
Reconstructed Brachiosaurus skeleton, formerly in the Field Museum, exhibited in Concourse B since 1999

In the 1980s, after passage of US airline deregulation, the first major change at O'Hare occurred when TWA left Chicago for St. Louis as its main mid-continent hub.[36] Although TWA had a large hangar complex at O'Hare and had started Constellation nonstops to Paris in 1958, by the time of deregulation its operation was losing $25 million a year under competition from United and American.[37] Northwest likewise ceded O'Hare to the competition and shifted to a Minneapolis/St. Paul and Detroit-centered network by the early 1990s after acquiring Republic Airlines in 1986.[38] Delta maintained an O'Hare hub for some time, even commissioning a new Concourse L in 1983.[39] Ultimately, Delta found competing from an inferior position at O'Hare too expensive and closed its Chicago hub in the 1990s, concentrating its upper Midwest operations at Cincinnati.

 
The Terminal 1 underground tunnel connects Concourses B and C

The dominant hubs established at O'Hare in the 1980s by United and American continue to operate today. United developed a new two-concourse Terminal 1 (dubbed "The Terminal for Tomorrow"), designed by Helmut Jahn. It was built between 1985 and 1987 on the site of the original Terminal 1; the structure, which includes 50 gates, is best known for its curved glass forms and the connecting underground tunnel between Concourses B and C.[40] The tunnel is illuminated with a neon installation titled Sky's the Limit (1987) by Canadian artist Michael Hayden, which plays an airy, slow-tempo version of Rhapsody in Blue.[41] American renovated and expanded its existing facilities in Terminal 3 from 1987 to 1990; those renovations feature a flag-lined entrance hall to Concourses H/K.[42]

The demolition of the original Terminal 1 in 1984 to make way for Jahn's design forced a "temporary" relocation of international flights into facilities called "Terminal 4" on the ground floor of the airport's central parking garage. International passengers were then bused to and from their aircraft. Relocation finally ended with the completion of the 21-gate International Terminal in 1993 (now called Terminal 5); it contains all customs facilities. Its location, on the site of the original cargo area and east of the terminal core, necessitated the construction of a peoplemover, which connected the terminal core with the new terminal as well as remote rental and parking lots.[39]

Following deregulation and the buildup of the American and United hubs, O'Hare faced increasing delays from the late 1980s onward due to its inefficient runway layout; the airfield had remained unchanged since the addition of its last new runway (4R/22L) in 1971.[43] O'Hare's three pairs of angled runways were meant to allow takeoffs into the wind, but they came at a cost: the various intersecting runways were both dangerous and inefficient. Official reports at the end of the 1990s ranked O'Hare as one of the worst-performing airports in the United States based on the percentage of delayed flights.[44] In 2001, the Chicago Department of Aviation committed to an O'Hare Modernization Plan (OMP). Initially estimated at $6.6 billion, the OMP was to be paid by bonds issued against the increase in the federal passenger facility charge enacted that year and federal airport improvement funds.[45] The modernization plan was approved by the FAA in October 2005 and involved a complete reconfiguration of the airfield. The OMP included the construction of four new runways, lengthening two existing runways, and decommissioning three old runways to provide O'Hare with six parallel runways and two crosswind runways.[46]

The OMP was the subject of legal battles, both with suburbs who feared the new layout's noise implications as well as with survivors of persons interred in a cemetery the city proposed to relocate; some of the cases were not resolved until 2011.[47] These issues, plus the reduction in traffic as a result of the 2008 financial crisis, delayed the OMP's completion; construction of the sixth and final parallel runway (9C/27C) began in 2016.[48] Its completion in 2020, along with an extension of runway 9R/27L completed in 2021, concluded the OMP.[49]

Expansion edit

 
Control tower and Terminals 3 and 2 seen from ATS (Airport Transit System)

In 2018, the city and airlines committed to Phase I of a new Terminal Area Plan dubbed O'Hare 21. The plan was to build two all-new satellite concourses to the southwest of Concourse C, and to expand Terminals 2 and 5 with additional gates, lounges, and updates to operations all over the airport. (Terminal 5 has ten new gates in addition to its newly expanded facilities, plus two additional gates to each accommodate an Airbus A380.)[50] The expansion will enable same-terminal transfers between international and domestic flights, faster connections, improved facilities and technology for TSA and customs inspections and much larger landside amenities such as shopping and restaurants. A principal feature of the plan is the reorganization of the terminal core into an "alliance hub," the first in North America; airside connections and layout will be optimized around airline alliances. This will be made possible by the construction of the O'Hare Global Terminal (OGT) where Terminal 2 currently stands. The OGT and two new satellite concourses will allow for expansion for both American's and United's international operations as well as easy interchange with their respective Oneworld (American) and Star Alliance (United) partner carriers, eliminating the need to transfer to Terminal 5.

This project will add over 3 million square feet (280,000 m2) to the airport's terminals, add a new customs processing center in the OGT, reconstruct gates and concourses (new concourses will be a minimum of 150 feet (46 m) wide), increase the gate count from 185 to 235, and provide 25% more ramp space at every gate throughout the airport to accommodate larger aircraft.[51] After an international design competition that featured public voting on five final architectural proposals, the Studio ORD group, led by architect Jeanne Gang (in collaboration with SCB, Corgan, Milhouse, and STL Architect), was selected to design the OGT,[52][53] while Skidmore, Owings & Merrill LLP will design Satellites 1 and 2.[54] By terms of the agreement, total costs of $8.5 billion for the project are to be borne by bonds issued by the city, which will be retired by airport usage fees paid by the airlines. O'Hare 21 is scheduled for completion of the two satellite terminals in 2028, and overall completion in 2030.[55][56][needs update]

As of 2023, the project's cost had ballooned far over budget leading both American Airlines and United Airlines to call for the global terminal project to be cancelled or scaled back.[57]

Facilities edit

 
United Airlines Terminal 1, Concourse B
 
American Airlines Terminal 3 Main Hall

Terminals edit

O'Hare has four numbered passenger terminals with nine lettered concourses and a total of 213 gates.[58]

Terminals 1–3 are interconnected airside via a walkway.[62] Terminal 5 is separated from the other terminals by a set of taxiways that cross over the airport's access road, requiring most passengers to exit security, ride a shuttle bus or take the Airport Transit System and then re–clear security. An additional shuttle bus provides an airside connection from Terminals 1 and 3 to Terminal 5, operating every 15 minutes from 11:30 am to 9:30 pm.[62]

Runways edit

O'Hare has two sets of parallel runways, one on either side of the terminal complex. Each airfield has three parallel east–west runways (9L/27R, 9C/27C, and 9R/27L on the north side; 10L/28R, 10C/28C, and 10R/28L on the south side) and a crosswind runway oriented northeast–southwest (4L/22R on the north, 4R/22L on the south). The north crosswind runway, 4L/22R, sees limited usage due to intersecting 9R/27L and 9C/27C;[63] however, runway 22L is often used for takeoffs during what is called "west flow" on the main runways. The airfield is managed by three FAA air traffic control towers. O'Hare has a voluntary nighttime (22:00–07:00) noise abatement program.[64]

In 2015, runway 32R/14L was permanently closed after 72 years of service, in favor of the new runway 10R/28L.[65]

Currently, O'Hare has the most runways of any civilian airport in the world, totaling eight.[citation needed]

Hotel edit

The Hilton Chicago O'Hare is between the terminal core and parking garage and is currently the only hotel on airport property. It is owned by the Chicago Department of Aviation and operated under an agreement with Hilton Hotels, who extended their agreement with the city by ten years in 2018.[66]

Ground transportation edit

The Airport Transit System shuttles passengers between the terminal core (Terminals 1–3), Terminal 5, and the O'Hare Multi-Modal Facility (MMF).[67] The system, which re-opened on November 3, 2021, resumed round-the-clock service starting at 5 a.m. on Monday, April 18, 2022,[68] after a nearly six-year renovation.[69] Meanwhile, free shuttle buses also continue to run 24/7 and contribute to congestion, boarding on the upper (departures) level of all terminals. The Bus Shuttle center, located on the ground level of the parking garage between Terminals 1–3 and directly opposite the Hilton Hotel, provides a temporary boarding location for local hotel shuttles and regional public transport buses.[70] The O'Hare Multi-Modal Facility is the home of all on-airport car rental firms as well as some extended parking.[71] In addition, the Chicago-area commuter rail system, Metra, has a transfer station of its North Central Service (NCS) located at the northeast corner of the MMF; however, the NCS currently operates an occasional schedule on weekdays only.[72]

The CTA Blue Line's north terminus is at O'Hare   and provides direct service to downtown via the Milwaukee–Dearborn subway in the Loop and continuing to west suburban Forest Park. Trains depart at intervals ranging from every four to thirty minutes, 24 hours a day.[73] The station is located on the lower level of the parking garage, and can be accessed directly from Terminals 1–3 via tunnel and from Terminal 5 via shuttle bus.

Pace, Peoria Charter, Van Galder Bus Company, and Wisconsin Coach Lines operate bus service to O'Hare, stopping at the MMF.

O'Hare is directly served by Interstate 190, which offers interchanges with Mannheim Road (U.S. 12 and 45), the Tri-State Tollway (Interstate 294), and Interstate 90. I-90 continues as the Kennedy Expressway into downtown Chicago and becomes the Jane Addams Memorial Tollway northwest to Rockford and the Wisconsin state line.

Cargo facilities edit

There are presently two main cargo areas at O'Hare. The South Cargo Area was relocated in the 1980s from the airport's first air cargo facilities, located east of the terminal core, where Terminal 5 now stands. Many of the structures in this new cargo area then had to be rebuilt, again, to allow for the OMP and specifically runway 10R/28L; as a result, what is now called the South Cargo Area is located between 10R/28L and 10C/28C. This large collection of facilities, in three sections (Southwest, South Central, and Southeast), was established mainly by traditional airline-based air cargo; Air France Cargo, American, JAL Cargo, KLM, Lufthansa Cargo, Northwest and United all built purpose-built, freestanding cargo facilities,[74] although some of these are now leased out to dedicated cargo firms. In addition, the area contains two separate facilities for shipper FedEx and one for UPS.[74]

The Northeast Cargo Area (NEC) is a conversion of the former military base (the Douglas plant area) at the northeast corner of the airport property. It is a new facility designed to increase O'Hare's cargo capacity by 50%. Two buildings currently make up the NEC: a 540,000 square feet (50,000 m2) building completed in 2016,[75] and a 240,000 square feet (22,000 m2) building that was completed in 2017.[76] A third structure will complete the NEC with another 150,000 square feet (14,000 m2) of warehouse space.[77]

The current capability of the cargo areas provide 2 million square feet (190,000 m2) of airside cargo space with parking for 40 wide-body freighters matched with over 2 million square feet (190,000 m2) of landside warehousing capability. O'Hare shipped over 1,700,000 tonnes (1,900,000 short tons) in 2018, fifth among airports in the U.S.[78]

Other facilities edit

In 2011, O'Hare became the first major airport to build an apiary on its property; every summer, it hosts as many as 75 hives and a million bees. The bees are maintained by 30 to 40 ex-offenders with little to no work experience and few marketable skills; they are primarily recruited from Chicago's North Lawndale neighborhood. They are taught beekeeping but also benefit from the bees' labor, turning it into bottled fresh honey, soaps, lip balms, candles and moisturizers marketed under the beelove product line.[79][80] More than 500 persons have completed the program, transferring to jobs in manufacturing, food processing, customer service, and hospitality; the repeat-offender rate is reported to be less than 10%.[81]

The CDA's Airport Airfield Operations section is based out of the 150' tall prototype tower architect I.M. Pei designed for the FAA in the 1960s -1970s.

Airlines and destinations edit

Passenger edit

AirlinesDestinationsRefs
Aer Lingus Dublin [82]
Aeroméxico Guadalajara, Mexico City [83]
Air Canada Montréal–Trudeau, Toronto–Pearson, Vancouver[84]
Air Canada Express Montréal–Trudeau, Toronto–Pearson [84]
Air France Paris–Charles de Gaulle [85]
Air India Delhi [86]
Air New ZealandAuckland (suspended)[87][88]
Air Serbia Belgrade [89]
Alaska Airlines Anchorage, Portland (OR), San Francisco, Seattle/Tacoma
Seasonal: Ixtapa/Zihuatanejo[90] 		[91][92]
All Nippon Airways Tokyo–Haneda, Tokyo–Narita [93]
American Airlines Albuquerque, Atlanta, Austin, Baltimore, Boston, Cancún, Charlotte, Cleveland, Dallas/Fort Worth, Denver, Des Moines, Detroit, Fort Myers, Grand Rapids (MI), Hartford, Houston–Intercontinental, Indianapolis, Jacksonville (FL), Kansas City, Las Vegas, London–Heathrow, Los Angeles, Miami, Minneapolis/St. Paul, Nashville, Newark, New Orleans, New York–JFK, New York–LaGuardia, Omaha, Orange County (CA), Orlando, Paris–Charles de Gaulle, Philadelphia, Phoenix–Sky Harbor, Pittsburgh, Portland (OR), Raleigh/Durham, Reno/Tahoe, Rochester (NY), Sacramento, St. Louis, Salt Lake City, San Antonio, San Diego, San Francisco, San José del Cabo, San Juan, Seattle/Tacoma, Tampa, Tucson, Washington–National, West Palm Beach
Seasonal: Anchorage, Aruba, Athens, Barcelona, Bozeman, Buffalo, Calgary, Cozumel, Dublin, Eagle/Vail, El Paso, Fort Lauderdale, Glacier Park/Kalispell, Grand Cayman, Guatemala City, Jackson Hole, Key West, Liberia (CR), Montego Bay, Nassau, Palm Springs, Providenciales, Puerto Vallarta, Punta Cana, Rome–Fiumicino, St. Thomas, Sarasota, Vancouver, Venice		[94]
American Eagle Albany, Albuquerque, Appleton, Asheville, Aspen, Atlanta, Austin, Baltimore, Bangor, Birmingham (AL), Bloomington/Normal, Boise, Buffalo, Cedar Rapids/Iowa City, Champaign/Urbana, Charleston (SC), Cincinnati, Cleveland, Columbia (MO), Columbia (SC),[95] Columbus–Glenn, Dayton, Des Moines, Detroit, El Paso, Evansville (resumes September 4, 2024),[96] Fargo, Fayetteville/Bentonville, Flint, Fort Wayne, Grand Rapids, Green Bay, Greensboro, Greenville/Spartanburg, Harrisburg, Hartford, Huntsville, Indianapolis, Jacksonville (FL), Kalamazoo, Kansas City, Key West, Knoxville, La Crosse, Lansing, Lexington, Little Rock, Louisville, Madison, Manhattan (KS), Marquette, Memphis, Milwaukee, Minneapolis/St. Paul, Moline/Quad Cities, Nashville, Norfolk, Oklahoma City, Omaha, Peoria, Pittsburgh, Providence, Rapid City, Richmond, Rochester (MN), Rochester (NY), St. Louis, Salt Lake City, San Antonio, Sioux Falls, Springfield (IL), Springfield/Branson, State College,[97] Syracuse, Toronto–Pearson, Traverse City, Tulsa, Waterloo (IA), Wausau, White Plains, Wichita, Wilkes-Barre/Scranton
Seasonal: Billings, Bozeman, Burlington (VT), Destin/Fort Walton Beach, Harlingen, Hayden/Steamboat Springs,[98] Hilton Head, Manchester (NH), Martha's Vineyard, Missoula, Montréal–Trudeau, Myrtle Beach, Nantucket, Newark, Panama City (FL), Pensacola, Portland (ME), Quebec City, Raleigh/Durham, Sarasota, Savannah, Wilmington (NC) 		[94]
Austrian Airlines Vienna [99]
Avianca Costa Rica Seasonal: Guatemala City, San José (CR)[100] [101]
British Airways London–Heathrow [102]
Cape Air Manistee [103]
Cathay Pacific Hong Kong[104] [105]
Contour Airlines Kirksville, Marion, Owensboro [106]
Copa Airlines Panama City–Tocumen [107]
Delta Air Lines Atlanta, Boston, Detroit, Minneapolis/St. Paul, New York–JFK, New York–LaGuardia, Salt Lake City, Seattle/Tacoma [108]
Delta Connection Boston, New York–JFK [108]
Denver Air Connection Ironwood, Watertown[109]
Emirates Dubai–International [110]
Ethiopian Airlines Addis Ababa1 [111]
Etihad Airways Abu Dhabi [112]
EVA Air Taipei–Taoyuan [113]
Finnair Seasonal: Helsinki [114]
Frontier Airlines Atlanta, Cancún, Charlotte,[115] Dallas/Fort Worth,[115] Denver,[115] Houston–Intercontinental (begins May 17, 2024),[116] Las Vegas (resumes May 16, 2024),[117] Nashville (begins May 16, 2024),[118] Orlando, Philadelphia (begins May 21, 2024),[119] Phoenix–Sky Harbor, Portland (ME) (begins May 16, 2024),[116] Punta Cana, Raleigh/Durham,[115] Salt Lake City (begins June 14, 2024)[120][121]
Iberia Madrid [122]
Icelandair Reykjavík–Keflavík [123]
ITA Airways Rome–Fiumicino[124][125]
Japan Airlines Tokyo–Haneda[126]
JetBlue Boston, New York–JFK [127]
KLM Amsterdam [128]
Korean Air Seoul–Incheon [129]
LOT Polish Airlines Kraków, Warsaw–Chopin[130]
Lufthansa Frankfurt, Munich [131]
Qatar Airways Doha [132]
Royal Jordanian Amman–Queen Alia [133]
Scandinavian Airlines Copenhagen [134]
Southern Airways Express Burlington (IA), Muskegon, Quincy, West Lafayette (begins May 15, 2024)[135][136]
Southwest Airlines Austin, Baltimore, Cancún, Dallas–Love, Denver, Fort Myers, Las Vegas, Nashville, Orlando, Phoenix–Sky Harbor, Tampa[137]
Spirit Airlines Atlanta, Boston (resumes June 5, 2024),[138] Cancún, Charlotte,[139] Dallas/Fort Worth, Fort Lauderdale, Fort Myers, Houston–Intercontinental, Las Vegas, Los Angeles, Miami, Newark (begins July 10, 2024),[140] New Orleans, New York–LaGuardia, Orlando, Portland (OR) (begins May 8, 2024),[141] San Juan, Tampa
Seasonal: Myrtle Beach, Phoenix–Sky Harbor 		[142]
Sun Country Airlines Minneapolis/St. Paul [143]
Swiss International Air Lines Zurich [144]
TAP Air Portugal Lisbon [145]
Turkish Airlines Istanbul [146]
United Airlines Albany, Amsterdam, Aruba, Atlanta, Austin, Baltimore, Boise, Boston, Bozeman, Brussels, Buffalo, Calgary, Cancún, Cedar Rapids/Iowa City, Charleston (SC), Charlotte, Cincinnati, Cleveland, Colorado Springs, Columbus–Glenn, Dallas/Fort Worth, Delhi (resumes March 29, 2025),[147] Denver, Des Moines, Detroit, Fort Lauderdale, Fort Myers, Frankfurt, Grand Rapids, Greenville/Spartanburg, Harrisburg, Hartford, Honolulu, Houston–Intercontinental, Indianapolis, Kahului, Kailua-Kona, Kansas City, Knoxville (begins May 23, 2024),[148] Las Vegas, London–Heathrow, Los Angeles, Madison, Memphis, Mexico City, Miami, Minneapolis/St. Paul, Montego Bay, Monterrey, Munich, Nashville, Newark, New Orleans, New York–LaGuardia, Norfolk, Omaha, Orange County (CA), Orlando, Paris–Charles de Gaulle, Philadelphia, Phoenix–Sky Harbor, Pittsburgh, Portland (OR), Puerto Vallarta, Punta Cana, Raleigh/Durham, Richmond, Rochester (NY), Rome–Fiumicino, Sacramento, Salt Lake City, San Antonio, San Diego, San Francisco, San Jose (CA), San José del Cabo, San Juan, São Paulo–Guarulhos, Sarasota, Seattle/Tacoma, Sioux Falls, Syracuse, Tampa, Tel Aviv (suspended),[citation needed] Tokyo–Haneda, Toronto–Pearson, Tulum,[149] Vancouver, Washington–Dulles, Washington–National, West Palm Beach, Zurich
Seasonal: Albuquerque, Anchorage, Athens (begins May 23, 2024),[150] Barcelona, Belize City, Burlington (VT), Cozumel, Dublin, Eagle/Vail, Edinburgh, El Paso, Fairbanks, Fresno, Glacier Park/Kalispell, Grand Cayman, Guatemala City, Hayden/Steamboat Springs, Ixtapa/Zihuatanejo, Jackson Hole, Jacksonville (FL), Key West, Liberia (CR), Louisville, Milan–Malpensa, Montréal–Trudeau (begins August 1, 2024),[151] Montrose, Myrtle Beach, Nassau, Palm Springs, Panama City (FL), Pensacola (FL), Portland (ME), Providence, Providenciales, Puerto Vallarta, Punta Cana, Rapid City, Reno/Tahoe, Reykjavík–Keflavík, St. Lucia–Hewanorra, St. Maarten, St. Thomas, San José (CR), Savannah, Shannon, Spokane, Traverse City, Tucson, Wichita 		[152]
United Express Akron/Canton, Albany, Albuquerque, Allentown, Appleton, Asheville, Aspen, Atlanta, Austin, Baltimore, Birmingham (AL), Boise, Boston, Buffalo, Burlington (VT), Calgary, Cedar Rapids/Iowa City, Charleston (SC), Charleston (WV), Charlotte, Charlottesville (VA), Chattanooga, Cincinnati, Cleveland, Colorado Springs, Columbia (SC), Columbus–Glenn, Dallas/Fort Worth, Dayton, Decatur, Des Moines, Detroit, Duluth, El Paso, Fargo, Fayetteville/Bentonville, Flint, Fort Dodge, Fort Wayne, Fresno, Grand Rapids, Green Bay, Greensboro, Greenville/Spartanburg, Harrisburg, Hartford, Houghton, Huntsville, Indianapolis, Jacksonville (FL), Johnstown (PA), Joplin, Kansas City, Knoxville, Lexington, Lincoln, Little Rock, Louisville, Madison, Mason City, Memphis, Milwaukee, Minneapolis/St. Paul, Moline/Quad Cities, Montréal–Trudeau, Nashville, New Orleans, New York–LaGuardia, Norfolk, Oklahoma City, Omaha, Ottawa, Pensacola (FL), Peoria, Philadelphia, Pittsburgh, Portland (ME), Providence, Rapid City, Richmond, Roanoke, Rochester (NY), Saginaw, St. Louis, Salina, Salt Lake City, San Antonio, Sarasota, Savannah, Sioux City, Sioux Falls, South Bend, Springfield/Branson, State College, Syracuse, Toronto–Pearson, Traverse City, Tucson, Tulsa, Washington–Dulles, Washington–National, Wichita, Wilkes-Barre/Scranton, Winnipeg (resumes May 23, 2024)[153]
Seasonal: Bangor, Fresno, Glacier Park/Kalispell, Great Falls (begins May 25, 2024),[154] Harlingen,[155] Hayden/Steamboat Springs, Hilton Head, Key West, Missoula, Montrose, Myrtle Beach, Nantucket (begins May 25, 2024),[154] Palm Springs, Panama City (FL), Québec City (resumes May 23, 2024),[156] Raleigh/Durham, Reno/Tahoe, Sun Valley, Wilmington (NC) (resumes May 25, 2024)[157] 		[152]
Viva Aerobus Guadalajara, León/Del Bajío, Mexico City, Monterrey, Morelia
Seasonal: Zacatecas 		[158]
Volaris Guadalajara, León/Del Bajío, Mexico City, Morelia, Querétaro
Seasonal: Huatulco, Ixtapa/Zihuatanejo, Puerto Vallarta 		[159]
WestJet Seasonal: Calgary [160]

^1 : Ethiopian Airlines flight from Addis Ababa to O'Hare stops at Rome–Fiumicino,[161] but the flight from O'Hare to Addis Ababa is non-stop.

Cargo edit

AirlinesDestinationsRefs
AeroLogic Frankfurt
AeroUnion Mexico City–AIFA
AirBridgeCargo Dallas/Fort Worth, Houston–Intercontinental, Luxembourg (all suspended) [162]
Air Canada Cargo Toronto–Pearson (begins June 2, 2024) [163]
Air China Cargo Anchorage, Beijing–Capital, Frankfurt, New York–JFK, Shanghai–Pudong, Tianjin
Air France Cargo Dublin, Glasgow–Prestwick, New York–JFK, Paris–Charles de Gaulle
ANA Cargo Tokyo–Narita [164]
Asiana Cargo Anchorage, Atlanta, New York–JFK, Seattle/Tacoma, Seoul–Incheon
ASL Airlines Belgium Liège
Atlas Air Amsterdam, Anchorage, Cincinnati, Dallas/Fort Worth, Frankfurt, Hong Kong, Honolulu, Los Angeles, Liège, Miami, Milan–Malpensa, New York–JFK, Seoul–Incheon, Stuttgart, Tokyo–Narita [165]
Cargolux Anchorage, Atlanta, Dallas/Fort Worth, Hong Kong, Indianapolis, Kuala Lumpur–International, Los Angeles, Luxembourg, New York–JFK, Singapore, Zhengzhou
Cathay Cargo Anchorage, Hong Kong, New York–JFK, Portland (OR)
China Airlines Cargo Anchorage, Houston–Intercontinental, San Francisco, Seattle/Tacoma, Taipei–Taoyuan
China Cargo Airlines Anchorage, Atlanta, Dallas/Fort Worth, Shanghai–Pudong
China Southern Cargo Guangzhou, Shanghai–Pudong [166]
DHL Aviation Anchorage, Calgary, Cincinnati, Newark, New York–JFK
Emirates SkyCargo Dubai–Al Maktoum, Maastricht/Aachen [167]
EVA Air Cargo Anchorage, Dallas/Fort Worth, Taipei–Taoyuan
FedEx Express Fort Worth/Alliance, Greensboro, Indianapolis, Los Angeles, Memphis, Milwaukee, Newark, Omaha, Oakland, Pittsburgh, Portland (OR), Seattle/Tacoma
Korean Air Cargo Anchorage, Halifax, Los Angeles, San Francisco, Seattle/Tacoma, Toronto–Pearson
LATAM Cargo Chile Campinas [168]
LOT Polish Airlines Warsaw–Chopin
Lufthansa Cargo Anchorage, Atlanta, Frankfurt, Guadalajara, Los Angeles, Manchester (UK), Mexico City–AIFA, New York–JFK [169]
Martinair Oslo
MSC Air Cargo Indianapolis, Liege[170]
Nippon Cargo Airlines Anchorage, Dallas/Fort Worth, Edmonton, Los Angeles, New York–JFK [171][172]
Qantas Freight Anchorage, Auckland, Chongqing, Honolulu, Los Angeles, Melbourne, Sydney [173][174][175][176]
Qatar Airways Cargo Amsterdam, Brussels, Doha, Los Angeles, Milan–Malpensa, Ostend/Bruges,[177] Singapore [178][179][180][181]
Silk Way Airlines Baku [182]
Singapore Airlines Cargo Anchorage, Atlanta, Brussels, Dallas/Fort Worth, Los Angeles, Seattle/Tacoma [183]
Suparna Airlines Anchorage, Shanghai–Pudong
Turkish Cargo Istanbul, Maastricht/Aachen, Shannon, Toronto–Pearson [184][185]
UPS Airlines Cologne/Bonn, Columbus–Rickenbacker, Dallas/Fort Worth, Louisville, Miami, Philadelphia, Portland (OR)

Statistics edit

Top destinations edit

Busiest domestic routes from ORD (February 2023 – January 2024)[186]
Rank Airport Passengers Carriers
1   Los Angeles, California 1,138,000 American, Spirit, United
2   New York–LaGuardia, New York 1,102,000 American, Delta, United
3   Denver, Colorado 998,000 American, Southwest, United
4   Orlando, Florida 876,000 American, Frontier, Southwest, Spirit, United
5   San Francisco, California 873,000 Alaska, American, United
6   Phoenix–Sky Harbor, Arizona 861,000 American, Southwest, Spirit, United
7   Dallas/Fort Worth, Texas 843,000 American, Spirit, United
8   Atlanta, Georgia 823,000 American, Delta, Frontier, Spirit, United
9   Las Vegas, Nevada 808,000 American, Frontier, Southwest, Spirit, United
10   Newark, New Jersey 765,000 American, United
Busiest international routes from ORD (October 2022 – September 2023)[187]
Rank Airport Passengers Carriers
1   London–Heathrow, United Kingdom 1,008,885 American, British Airways, United
2   Cancún, Mexico 862,563 American, Frontier, Southwest, Spirit, United
3   Toronto–Pearson, Canada 704,364 Air Canada, American, United,
4   Mexico City, Mexico 667,260 Aeroméxico, United, Viva Aerobus, Volaris
5   Frankfurt, Germany 586,239 Lufthansa, United
6   Paris, France 438,682 Air France, American, United
7   Dublin, Ireland 411,649 Aer Lingus, American, United
8   Tokyo, Japan 396,394 ANA, Japan Airlines, United
9   Istanbul, Turkey 386,478 Turkish
10  Munich, Germany 378,187 Lufthansa, United

Airline market share edit

Top airlines at ORD
(February 2023 – January 2024)[186]
Rank Airline Passengers Percent of market share
1 United Airlines 23,788,000 40.58%
2 American Airlines 13,342,000 22.76%
3 SkyWest Airlines 5,447,000 9.29%
4 Envoy Air 2,773,000 4.73%
5 Delta Airlines 2,538,000 4.42%
Other 10,479,000 18.27%

Annual traffic edit

Annual passenger traffic at ORD airport. See Wikidata query.
Traffic by calendar year[188]
Year Passenger volume Change over previous year Aircraft operations Cargo tonnage
2000 72,144,244  00.64% 908,989 1,640,524
2001 67,448,064  06.51% 911,917 1,413,834
2002 66,565,952  01.31% 922,817 1,436,386
2003 69,508,672  04.40% 928,691 1,601,736
2004 75,533,822  08.67% 992,427 1,685,808
2005 76,581,146  01.38% 972,248 1,701,446
2006 76,282,212  00.30% 958,643 1,718,011
2007 76,182,025  00.15% 926,973 1,690,742
2008 70,819,015  07.03% 881,566 1,480,847
2009 64,397,782  09.07% 827,899 1,198,426
2010 67,026,191  03.83% 882,617 1,577,048
2011 66,790,996  00.35% 878,798 1,505,218
2012 66,834,931  00.04% 878,108 1,443,569
2013 66,909,638  00.12% 883,287 1,434,377
2014 70,075,204  04.45% 881,933 1,578,330
2015 76,949,336  09.81% 875,136 1,742,501
2016 77,960,588  01.31% 867,635 1,726,362
2017 79,828,183  02.40% 867,049 1,950,137
2018 83,339,186[189]  04.40% 903,747 1,868,880
2019 84,649,115  01.69% 919,704 1,788,001
2020 30,860,251  063.54% 538,211 2,052,025
2021 54,020,399  075.06% 684,201 2,536,576
2022 68,340,619  026.50% 711,561 2,235,709
2023 73,894,226  08.13% 720,582 1,906,463

On-time performance (domestic major U.S. carriers only) edit

On-time performance by calendar year[186]
Year Percent of on-

time departures

Percent of on-

time arrivals

Average departure

delay (min)

Average arrival

delay (min)

Percent of

cancelled flights

2017 79% 81% 69.43 77.38 1.40%
2018 77% 77% 69.15 77.91 2.14%
2019 75% 75% 73.69 86.01 3.11%
2020 84% 85% 65.36 78.36 6.18%
2021 81% 82% 70.40 82.42 1.93%
2022 78% 79% 70.26 80.29 2.75%

Major accidents and incidents edit

The following is a list of major crashes or incidents that occurred to planes at O'Hare, on approach, or just after takeoff from the airport:[190]

See also edit

Notes edit

  1. ^ sometimes referred to as Chicago O'Hare, or simply O'Hare

References edit

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External links edit

  • Official website
  • O'Hare Modernization Program, City of Chicago
  • Council Ordinance authorizing ORD21 (with TAP attached, O2018-1124 (V1).pdf), City of Chicago
  • , Northwest Chicago Historical Society
  • The Fascinating History of Chicago's O'Hare International Airport: , ,
  • Olson, William (January 4, 2010). "Sustainable Airport Design Takes Flight: The O'Hare Modernization Program". GreenBeanChicago.com.
  • FAA Airport Diagram (PDF), effective April 18, 2024
  • Resources for this airport:
    • AirNav airport information for KORD
    • ASN accident history for ORD
    • FlightAware airport information and live flight tracker
    • NOAA/NWS weather observations: current, past three days
    • SkyVector aeronautical chart for KORD
    • FAA current ORD delay information
  • Live KORD airplane map radar
  • Pate, R. Hewitt (Assistant Attorney General, Antitrust Division); McDonald, Bruce (Deputy Assistant Attorney General, Antitrust Division); Gillespie, William H. (Economist) (May 24, 2005). "Congestion And Delay Reduction at Chicago O'Hare International Airport: Docket No. FAA-2005-20704". Comments of The United States Department of Justice. Before The Federal Aviation Administration Department of Transportation. Retrieved September 2, 2011.{{cite web}}: CS1 maint: multiple names: authors list (link)
  • O'Hare International Airport aviation weather (in Spanish, English, French, and Chinese)

January 01, 1970
hare, international, airport, hare, redirect, here, other, uses, hare, disambiguation, disambiguation, chicago, iata, icao, kord, major, international, airport, serving, chicago, illinois, located, city, northwest, side, approximately, miles, northwest, loop, . O Hare and ORD redirect here For other uses see O Hare disambiguation and Ord disambiguation Chicago O Hare International Airport a IATA ORD ICAO KORD FAA LID ORD is a major international airport serving Chicago Illinois located on the city s Northwest Side approximately 17 miles 27 km northwest of the Loop business district Operated by the Chicago Department of Aviation 4 and covering 7 627 acres 3 087 ha 5 6 O Hare has non stop flights to 214 destinations in North America South America the Caribbean Europe Africa Asia the Middle East Oceania and the North Atlantic region as of November 2022 7 8 As of 2023 O Hare is considered the world s most connected airport 9 It is also U S A s 4th busiest airport and 7th biggest airport Chicago O Hare International AirportIATA ORDICAO KORDFAA LID ORDWMO 72530SummaryAirport typePublicOwner OperatorChicago Department of AviationServesChicago metropolitan areaLocationO Hare Chicago Illinois U S OpenedFebruary 1944 80 years ago 1944 02 1 Hub forAmerican Airlines United AirlinesFocus city forPolar Air CargoOperating base forFrontier Airlines begins May 2024 2 Spirit AirlinesElevation AMSL668 ft 204 mCoordinates41 58 43 N 87 54 17 W 41 97861 N 87 90472 W 41 97861 87 90472Websiteflychicago wbr com wbr ohareMapsFAA airport diagramRunwaysDirection Length Surface ft m 4L 22R 7 500 2 286 Asphalt 4R 22L 8 075 2 461 Asphalt 9L 27R 7 500 2 286 Concrete 9C 27C 11 245 3 427 Concrete 9R 27L 11 260 3 432 Asphalt concrete 10L 28R 13 000 3 962 Asphalt concrete 10C 28C 10 800 3 292 Concrete 10R 28L 7 500 2 286 ConcreteHelipadsNumber Length Surface ft m H1 200 61 ConcreteStatistics 2023 Passenger volume73 894 226Aircraft movements720 582Cargo metric tons 1 906 462 5Source O Hare International Airport 3 Designed to be the successor to Chicago s Midway International Airport itself once nicknamed the busiest square mile in the world O Hare began as an airfield serving a Douglas manufacturing plant for C 54 military transports during World War II It was renamed Orchard Field Airport in the mid 1940s and assigned the IATA code ORD In 1949 it was renamed after aviator Edward Butch O Hare the U S Navy s first Medal of Honor recipient during that war 10 11 As the first major airport planned after World War II O Hare s innovative design pioneered concepts such as concourses direct highway access to the terminal jet bridges and underground refueling systems 12 O Hare became famous during the jet age holding the distinction as the world s busiest airport by passenger traffic from 1963 to 1998 It still ranks as one the busiest airports in the world according to the Airports Council International rankings 13 14 In 2019 O Hare had 919 704 aircraft movements averaging 2 520 per day the most of any airport in the world in part because of a large number of regional flights 15 On the ground road access to the airport is offered by airport shuttle bus the Chicago L or taxis Interstate 190 Kennedy Expressway goes directly into the airport O Hare is a hub for American Airlines and United Airlines which is headquartered in Willis Tower 16 17 as well as an operating base for Spirit Airlines 18 19 Contents 1 History 1 1 Establishment and defense efforts 1 2 Early commercial development 1 3 Arrival of passenger service and subsequent growth 1 4 Post deregulation developments 1 5 Expansion 2 Facilities 2 1 Terminals 2 2 Runways 2 3 Hotel 2 4 Ground transportation 2 5 Cargo facilities 2 6 Other facilities 3 Airlines and destinations 3 1 Passenger 3 2 Cargo 4 Statistics 4 1 Top destinations 4 2 Airline market share 4 3 Annual traffic 4 4 On time performance domestic major U S carriers only 5 Major accidents and incidents 6 See also 7 Notes 8 References 9 External linksHistory editEstablishment and defense efforts edit See also Illinois World War II Army Airfields nbsp Grumman F4F 3 Wildcat on display in O Hare s Terminal 2 restored in the markings of Butch O Hare s plane Soon after the opening of Chicago Municipal Airport in 1926 the City of Chicago realized more airport capacity would be needed The city government investigated various sites in the 1930s but made little progress before America s entry into World War II 10 O Hare began as a manufacturing plant for Douglas C 54 Skymasters during World War II The site was known as Orchard Place previously a small German American farming community The 2 million square feet 190 000 m2 plant in the northeast corner of what is now the airport needed easy access to the workforce of the nation s second largest city as well as its railroads and location far from enemy threat 655 C 54s were built at the plant more than half of all produced The airfield from which the C 54s flew out was known as Douglas Airport initially it had four 5 500 foot 1 700 m runways 10 Less known is the fact that it was the location of the Army Air Force s 803rd Specialized Depot 20 a unit charged with storing many captured enemy aircraft a few representatives of this collection would eventually be transferred to the Smithsonian Institution s National Air and Space Museum 21 22 Douglas Company s contract ended with the war s conclusion Douglas considered building airliners at Orchard but chose to concentrate civil production at its headquarters in Santa Monica California 10 With the departure of Douglas the complex took the name Orchard Field Airport and was assigned the IATA code ORD 23 The United States Air Force used the field extensively during the Korean War the airport then had no scheduled airline service Although not its primary base in the area the Air Force used O Hare as a fighter base it was home to the 62nd Fighter Interceptor Squadron flying North American F 86 Sabres from 1950 to 1959 24 By 1960 the need for O Hare as an active duty fighter base was diminishing just as commercial business was picking up at the airport The Air Force removed active duty units from O Hare and turned the station over to Continental Air Command enabling them to base reserve and Air National Guard units there 25 As a result of a 1993 agreement between the City and the Department of Defense the reserve base was closed on April 1 1997 ending its career as the home of the 928th Airlift Wing and of the 126th Air Refueling Wing in 1999 At that time the remaining 357 acre 144 ha site came under the ownership of the Chicago Department of Aviation 26 Early commercial development edit In 1945 Chicago mayor Edward Kelly established a board to choose the site of a new airport to meet future demand After considering various proposals the board decided upon the Orchard Field site and acquired most of the federal government property in March 1946 The military retained a small parcel of property on the site and the right to use 25 of the airfield s operating capacity for free 10 Ralph H Burke devised an airport master plan based on the pioneering idea of what he called split finger terminals allowing a terminal building to be attached to airline wings concourses each providing space for gates and planes Pre war airport designs had favored ever larger single terminals exemplified by Berlin s Tempelhof Burke s design also included underground refueling direct highway access to the front of terminals and direct rail access from downtown all of which are utilized at airports worldwide today 27 O Hare was the site of the world s first jet bridge in 1958 28 29 and successfully adapted slip form paving developed for the nation s new Interstate highway system for seamless concrete runways In 1949 the City renamed the facility O Hare Airport to honor Edward Butch O Hare the U S Navy s first flying ace and Medal of Honor recipient in World War II 30 Its IATA code ORD remained unchanged however resulting in O Hare being one of the few IATA codes bearing no connection to the airport s name or metropolitan area 23 Arrival of passenger service and subsequent growth edit Scheduled passenger service began in 1955 31 but growth was slow at first Although Chicago had invested over 25 million in O Hare Midway remained the world s busiest airport and airlines were reluctant to move until highway access and other improvements were completed 32 The April 1957 Official Airline Guide listed 36 weekday departures from O Hare while Midway had 414 Improvements began to attract the airlines O Hare s first international terminal opened in August 1958 and by April 1959 the airport had expanded to 7 200 acres 2 900 ha with new hangars terminals parking and other facilities The expressway link to downtown Chicago now known as the Kennedy Expressway was completed in 1960 31 And new Terminals 2 and 3 designed by C F Murphy and Associates opened on January 1 1962 33 The biggest factor driving airlines to relocate their operations from Midway to O Hare was the jet airliner the first scheduled jet at O Hare was an American 707 from New York to Chicago to San Francisco on March 22 1959 34 One mile square 2 6 kilometer square Midway had no space for the runways that 707s and DC 8s required Airlines had been reluctant to move to O Hare but they naturally did not want to split their operations in July 1962 the last fixed wing scheduled airline flight in Chicago moved from Midway to O Hare Until United returned in July 1964 Midway s only scheduled airline was Chicago Helicopter Airways The arrival of Midway s traffic quickly made O Hare the world s busiest airport serving 10 million passengers annually Within two years that number would double with Chicagoans boasting that more people passed through O Hare in 12 months than Ellis Island had processed in its entire existence O Hare remained the world s busiest airport until it was eclipsed by Hartsfield Jackson Atlanta International Airport in 1998 O Hare had four runways in 1955 35 8 000 foot 2 400 m runway 14R 32L opened in 1956 and was extended to 11 600 feet 3 500 m a few years later allowing nonstops to Europe Runway 9R 27L now 10L 28R opened in 1968 and runway 4R 22L in 1971 Post deregulation developments edit nbsp Reconstructed Brachiosaurus skeleton formerly in the Field Museum exhibited in Concourse B since 1999 In the 1980s after passage of US airline deregulation the first major change at O Hare occurred when TWA left Chicago for St Louis as its main mid continent hub 36 Although TWA had a large hangar complex at O Hare and had started Constellation nonstops to Paris in 1958 by the time of deregulation its operation was losing 25 million a year under competition from United and American 37 Northwest likewise ceded O Hare to the competition and shifted to a Minneapolis St Paul and Detroit centered network by the early 1990s after acquiring Republic Airlines in 1986 38 Delta maintained an O Hare hub for some time even commissioning a new Concourse L in 1983 39 Ultimately Delta found competing from an inferior position at O Hare too expensive and closed its Chicago hub in the 1990s concentrating its upper Midwest operations at Cincinnati nbsp The Terminal 1 underground tunnel connects Concourses B and C The dominant hubs established at O Hare in the 1980s by United and American continue to operate today United developed a new two concourse Terminal 1 dubbed The Terminal for Tomorrow designed by Helmut Jahn It was built between 1985 and 1987 on the site of the original Terminal 1 the structure which includes 50 gates is best known for its curved glass forms and the connecting underground tunnel between Concourses B and C 40 The tunnel is illuminated with a neon installation titled Sky s the Limit 1987 by Canadian artist Michael Hayden which plays an airy slow tempo version of Rhapsody in Blue 41 American renovated and expanded its existing facilities in Terminal 3 from 1987 to 1990 those renovations feature a flag lined entrance hall to Concourses H K 42 The demolition of the original Terminal 1 in 1984 to make way for Jahn s design forced a temporary relocation of international flights into facilities called Terminal 4 on the ground floor of the airport s central parking garage International passengers were then bused to and from their aircraft Relocation finally ended with the completion of the 21 gate International Terminal in 1993 now called Terminal 5 it contains all customs facilities Its location on the site of the original cargo area and east of the terminal core necessitated the construction of a peoplemover which connected the terminal core with the new terminal as well as remote rental and parking lots 39 Following deregulation and the buildup of the American and United hubs O Hare faced increasing delays from the late 1980s onward due to its inefficient runway layout the airfield had remained unchanged since the addition of its last new runway 4R 22L in 1971 43 O Hare s three pairs of angled runways were meant to allow takeoffs into the wind but they came at a cost the various intersecting runways were both dangerous and inefficient Official reports at the end of the 1990s ranked O Hare as one of the worst performing airports in the United States based on the percentage of delayed flights 44 In 2001 the Chicago Department of Aviation committed to an O Hare Modernization Plan OMP Initially estimated at 6 6 billion the OMP was to be paid by bonds issued against the increase in the federal passenger facility charge enacted that year and federal airport improvement funds 45 The modernization plan was approved by the FAA in October 2005 and involved a complete reconfiguration of the airfield The OMP included the construction of four new runways lengthening two existing runways and decommissioning three old runways to provide O Hare with six parallel runways and two crosswind runways 46 The OMP was the subject of legal battles both with suburbs who feared the new layout s noise implications as well as with survivors of persons interred in a cemetery the city proposed to relocate some of the cases were not resolved until 2011 47 These issues plus the reduction in traffic as a result of the 2008 financial crisis delayed the OMP s completion construction of the sixth and final parallel runway 9C 27C began in 2016 48 Its completion in 2020 along with an extension of runway 9R 27L completed in 2021 concluded the OMP 49 Expansion edit nbsp Control tower and Terminals 3 and 2 seen from ATS Airport Transit System In 2018 the city and airlines committed to Phase I of a new Terminal Area Plan dubbed O Hare 21 The plan was to build two all new satellite concourses to the southwest of Concourse C and to expand Terminals 2 and 5 with additional gates lounges and updates to operations all over the airport Terminal 5 has ten new gates in addition to its newly expanded facilities plus two additional gates to each accommodate an Airbus A380 50 The expansion will enable same terminal transfers between international and domestic flights faster connections improved facilities and technology for TSA and customs inspections and much larger landside amenities such as shopping and restaurants A principal feature of the plan is the reorganization of the terminal core into an alliance hub the first in North America airside connections and layout will be optimized around airline alliances This will be made possible by the construction of the O Hare Global Terminal OGT where Terminal 2 currently stands The OGT and two new satellite concourses will allow for expansion for both American s and United s international operations as well as easy interchange with their respective Oneworld American and Star Alliance United partner carriers eliminating the need to transfer to Terminal 5 This project will add over 3 million square feet 280 000 m2 to the airport s terminals add a new customs processing center in the OGT reconstruct gates and concourses new concourses will be a minimum of 150 feet 46 m wide increase the gate count from 185 to 235 and provide 25 more ramp space at every gate throughout the airport to accommodate larger aircraft 51 After an international design competition that featured public voting on five final architectural proposals the Studio ORD group led by architect Jeanne Gang in collaboration with SCB Corgan Milhouse and STL Architect was selected to design the OGT 52 53 while Skidmore Owings amp Merrill LLP will design Satellites 1 and 2 54 By terms of the agreement total costs of 8 5 billion for the project are to be borne by bonds issued by the city which will be retired by airport usage fees paid by the airlines O Hare 21 is scheduled for completion of the two satellite terminals in 2028 and overall completion in 2030 55 56 needs update As of 2023 the project s cost had ballooned far over budget leading both American Airlines and United Airlines to call for the global terminal project to be cancelled or scaled back 57 Facilities edit nbsp United Airlines Terminal 1 Concourse B nbsp American Airlines Terminal 3 Main Hall Terminals edit O Hare has four numbered passenger terminals with nine lettered concourses and a total of 213 gates 58 Terminal 1 is used for United Airlines Lufthansa and All Nippon Airways flights It contains 52 gates on two concourses lettered B C 58 Terminal 2 is used for most United Express and some mainline United flights as well as all Air Canada Alaska Airlines and JetBlue flights It contains 41 gates on two concourses lettered E F 58 Terminal 3 is used for American Airlines Aer Lingus British Airways Iberia Japan Airlines and Spirit Airlines flights It contains 80 gates on four concourses lettered G H K and L 58 Terminal 5 is used for Delta Air Lines Frontier Airlines and Southwest Airlines flights as well as all international airlines save for those that depart from Terminals 1 3 59 60 Terminal 5 is also used for non pre cleared international arrivals as it currently contains the airport s U S Customs and Border Protection facilities 61 It contains 35 non sequential gates on a single concourse with the highest number being 40 lettered M Note that Terminal 5 is very long so be prepared for a 20 minute walk Terminals 1 3 are interconnected airside via a walkway 62 Terminal 5 is separated from the other terminals by a set of taxiways that cross over the airport s access road requiring most passengers to exit security ride a shuttle bus or take the Airport Transit System and then re clear security An additional shuttle bus provides an airside connection from Terminals 1 and 3 to Terminal 5 operating every 15 minutes from 11 30 am to 9 30 pm 62 Runways edit O Hare has two sets of parallel runways one on either side of the terminal complex Each airfield has three parallel east west runways 9L 27R 9C 27C and 9R 27L on the north side 10L 28R 10C 28C and 10R 28L on the south side and a crosswind runway oriented northeast southwest 4L 22R on the north 4R 22L on the south The north crosswind runway 4L 22R sees limited usage due to intersecting 9R 27L and 9C 27C 63 however runway 22L is often used for takeoffs during what is called west flow on the main runways The airfield is managed by three FAA air traffic control towers O Hare has a voluntary nighttime 22 00 07 00 noise abatement program 64 In 2015 runway 32R 14L was permanently closed after 72 years of service in favor of the new runway 10R 28L 65 Currently O Hare has the most runways of any civilian airport in the world totaling eight citation needed Hotel edit The Hilton Chicago O Hare is between the terminal core and parking garage and is currently the only hotel on airport property It is owned by the Chicago Department of Aviation and operated under an agreement with Hilton Hotels who extended their agreement with the city by ten years in 2018 66 Ground transportation edit The Airport Transit System shuttles passengers between the terminal core Terminals 1 3 Terminal 5 and the O Hare Multi Modal Facility MMF 67 The system which re opened on November 3 2021 resumed round the clock service starting at 5 a m on Monday April 18 2022 68 after a nearly six year renovation 69 Meanwhile free shuttle buses also continue to run 24 7 and contribute to congestion boarding on the upper departures level of all terminals The Bus Shuttle center located on the ground level of the parking garage between Terminals 1 3 and directly opposite the Hilton Hotel provides a temporary boarding location for local hotel shuttles and regional public transport buses 70 The O Hare Multi Modal Facility is the home of all on airport car rental firms as well as some extended parking 71 In addition the Chicago area commuter rail system Metra has a transfer station of its North Central Service NCS located at the northeast corner of the MMF however the NCS currently operates an occasional schedule on weekdays only 72 The CTA Blue Line s north terminus is at O Hare nbsp and provides direct service to downtown via the Milwaukee Dearborn subway in the Loop and continuing to west suburban Forest Park Trains depart at intervals ranging from every four to thirty minutes 24 hours a day 73 The station is located on the lower level of the parking garage and can be accessed directly from Terminals 1 3 via tunnel and from Terminal 5 via shuttle bus Pace Peoria Charter Van Galder Bus Company and Wisconsin Coach Lines operate bus service to O Hare stopping at the MMF O Hare is directly served by Interstate 190 which offers interchanges with Mannheim Road U S 12 and 45 the Tri State Tollway Interstate 294 and Interstate 90 I 90 continues as the Kennedy Expressway into downtown Chicago and becomes the Jane Addams Memorial Tollway northwest to Rockford and the Wisconsin state line Cargo facilities edit There are presently two main cargo areas at O Hare The South Cargo Area was relocated in the 1980s from the airport s first air cargo facilities located east of the terminal core where Terminal 5 now stands Many of the structures in this new cargo area then had to be rebuilt again to allow for the OMP and specifically runway 10R 28L as a result what is now called the South Cargo Area is located between 10R 28L and 10C 28C This large collection of facilities in three sections Southwest South Central and Southeast was established mainly by traditional airline based air cargo Air France Cargo American JAL Cargo KLM Lufthansa Cargo Northwest and United all built purpose built freestanding cargo facilities 74 although some of these are now leased out to dedicated cargo firms In addition the area contains two separate facilities for shipper FedEx and one for UPS 74 The Northeast Cargo Area NEC is a conversion of the former military base the Douglas plant area at the northeast corner of the airport property It is a new facility designed to increase O Hare s cargo capacity by 50 Two buildings currently make up the NEC a 540 000 square feet 50 000 m2 building completed in 2016 75 and a 240 000 square feet 22 000 m2 building that was completed in 2017 76 A third structure will complete the NEC with another 150 000 square feet 14 000 m2 of warehouse space 77 The current capability of the cargo areas provide 2 million square feet 190 000 m2 of airside cargo space with parking for 40 wide body freighters matched with over 2 million square feet 190 000 m2 of landside warehousing capability O Hare shipped over 1 700 000 tonnes 1 900 000 short tons in 2018 fifth among airports in the U S 78 Other facilities edit In 2011 O Hare became the first major airport to build an apiary on its property every summer it hosts as many as 75 hives and a million bees The bees are maintained by 30 to 40 ex offenders with little to no work experience and few marketable skills they are primarily recruited from Chicago s North Lawndale neighborhood They are taught beekeeping but also benefit from the bees labor turning it into bottled fresh honey soaps lip balms candles and moisturizers marketed under the beelove product line 79 80 More than 500 persons have completed the program transferring to jobs in manufacturing food processing customer service and hospitality the repeat offender rate is reported to be less than 10 81 The CDA s Airport Airfield Operations section is based out of the 150 tall prototype tower architect I M Pei designed for the FAA in the 1960s 1970s Airlines and destinations editPassenger edit AirlinesDestinationsRefsAer LingusDublin 82 AeromexicoGuadalajara Mexico City 83 Air CanadaMontreal Trudeau Toronto Pearson Vancouver 84 Air Canada ExpressMontreal Trudeau Toronto Pearson 84 Air FranceParis Charles de Gaulle 85 Air IndiaDelhi 86 Air New ZealandAuckland suspended 87 88 Air SerbiaBelgrade 89 Alaska AirlinesAnchorage Portland OR San Francisco Seattle Tacoma Seasonal Ixtapa Zihuatanejo 90 91 92 All Nippon AirwaysTokyo Haneda Tokyo Narita 93 American AirlinesAlbuquerque Atlanta Austin Baltimore Boston Cancun Charlotte Cleveland Dallas Fort Worth Denver Des Moines Detroit Fort Myers Grand Rapids MI Hartford Houston Intercontinental Indianapolis Jacksonville FL Kansas City Las Vegas London Heathrow Los Angeles Miami Minneapolis St Paul Nashville Newark New Orleans New York JFK New York LaGuardia Omaha Orange County CA Orlando Paris Charles de Gaulle Philadelphia Phoenix Sky Harbor Pittsburgh Portland OR Raleigh Durham Reno Tahoe Rochester NY Sacramento St Louis Salt Lake City San Antonio San Diego San Francisco San Jose del Cabo San Juan Seattle Tacoma Tampa Tucson Washington National West Palm BeachSeasonal Anchorage Aruba Athens Barcelona Bozeman Buffalo Calgary Cozumel Dublin Eagle Vail El Paso Fort Lauderdale Glacier Park Kalispell Grand Cayman Guatemala City Jackson Hole Key West Liberia CR Montego Bay Nassau Palm Springs Providenciales Puerto Vallarta Punta Cana Rome Fiumicino St Thomas Sarasota Vancouver Venice 94 American EagleAlbany Albuquerque Appleton Asheville Aspen Atlanta Austin Baltimore Bangor Birmingham AL Bloomington Normal Boise Buffalo Cedar Rapids Iowa City Champaign Urbana Charleston SC Cincinnati Cleveland Columbia MO Columbia SC 95 Columbus Glenn Dayton Des Moines Detroit El Paso Evansville resumes September 4 2024 96 Fargo Fayetteville Bentonville Flint Fort Wayne Grand Rapids Green Bay Greensboro Greenville Spartanburg Harrisburg Hartford Huntsville Indianapolis Jacksonville FL Kalamazoo Kansas City Key West Knoxville La Crosse Lansing Lexington Little Rock Louisville Madison Manhattan KS Marquette Memphis Milwaukee Minneapolis St Paul Moline Quad Cities Nashville Norfolk Oklahoma City Omaha Peoria Pittsburgh Providence Rapid City Richmond Rochester MN Rochester NY St Louis Salt Lake City San Antonio Sioux Falls Springfield IL Springfield Branson State College 97 Syracuse Toronto Pearson Traverse City Tulsa Waterloo IA Wausau White Plains Wichita Wilkes Barre ScrantonSeasonal Billings Bozeman Burlington VT Destin Fort Walton Beach Harlingen Hayden Steamboat Springs 98 Hilton Head Manchester NH Martha s Vineyard Missoula Montreal Trudeau Myrtle Beach Nantucket Newark Panama City FL Pensacola Portland ME Quebec City Raleigh Durham Sarasota Savannah Wilmington NC 94 Austrian AirlinesVienna 99 Avianca Costa RicaSeasonal Guatemala City San Jose CR 100 101 British AirwaysLondon Heathrow 102 Cape AirManistee 103 Cathay PacificHong Kong 104 105 Contour AirlinesKirksville Marion Owensboro 106 Copa AirlinesPanama City Tocumen 107 Delta Air LinesAtlanta Boston Detroit Minneapolis St Paul New York JFK New York LaGuardia Salt Lake City Seattle Tacoma 108 Delta ConnectionBoston New York JFK 108 Denver Air ConnectionIronwood Watertown 109 EmiratesDubai International 110 Ethiopian AirlinesAddis Ababa1 111 Etihad AirwaysAbu Dhabi 112 EVA AirTaipei Taoyuan 113 FinnairSeasonal Helsinki 114 Frontier AirlinesAtlanta Cancun Charlotte 115 Dallas Fort Worth 115 Denver 115 Houston Intercontinental begins May 17 2024 116 Las Vegas resumes May 16 2024 117 Nashville begins May 16 2024 118 Orlando Philadelphia begins May 21 2024 119 Phoenix Sky Harbor Portland ME begins May 16 2024 116 Punta Cana Raleigh Durham 115 Salt Lake City begins June 14 2024 120 121 IberiaMadrid 122 IcelandairReykjavik Keflavik 123 ITA AirwaysRome Fiumicino 124 125 Japan AirlinesTokyo Haneda 126 JetBlueBoston New York JFK 127 KLMAmsterdam 128 Korean AirSeoul Incheon 129 LOT Polish AirlinesKrakow Warsaw Chopin 130 LufthansaFrankfurt Munich 131 Qatar AirwaysDoha 132 Royal JordanianAmman Queen Alia 133 Scandinavian AirlinesCopenhagen 134 Southern Airways ExpressBurlington IA Muskegon Quincy West Lafayette begins May 15 2024 135 136 Southwest AirlinesAustin Baltimore Cancun Dallas Love Denver Fort Myers Las Vegas Nashville Orlando Phoenix Sky Harbor Tampa 137 Spirit AirlinesAtlanta Boston resumes June 5 2024 138 Cancun Charlotte 139 Dallas Fort Worth Fort Lauderdale Fort Myers Houston Intercontinental Las Vegas Los Angeles Miami Newark begins July 10 2024 140 New Orleans New York LaGuardia Orlando Portland OR begins May 8 2024 141 San Juan TampaSeasonal Myrtle Beach Phoenix Sky Harbor 142 Sun Country AirlinesMinneapolis St Paul 143 Swiss International Air LinesZurich 144 TAP Air PortugalLisbon 145 Turkish AirlinesIstanbul 146 United AirlinesAlbany Amsterdam Aruba Atlanta Austin Baltimore Boise Boston Bozeman Brussels Buffalo Calgary Cancun Cedar Rapids Iowa City Charleston SC Charlotte Cincinnati Cleveland Colorado Springs Columbus Glenn Dallas Fort Worth Delhi resumes March 29 2025 147 Denver Des Moines Detroit Fort Lauderdale Fort Myers Frankfurt Grand Rapids Greenville Spartanburg Harrisburg Hartford Honolulu Houston Intercontinental Indianapolis Kahului Kailua Kona Kansas City Knoxville begins May 23 2024 148 Las Vegas London Heathrow Los Angeles Madison Memphis Mexico City Miami Minneapolis St Paul Montego Bay Monterrey Munich Nashville Newark New Orleans New York LaGuardia Norfolk Omaha Orange County CA Orlando Paris Charles de Gaulle Philadelphia Phoenix Sky Harbor Pittsburgh Portland OR Puerto Vallarta Punta Cana Raleigh Durham Richmond Rochester NY Rome Fiumicino Sacramento Salt Lake City San Antonio San Diego San Francisco San Jose CA San Jose del Cabo San Juan Sao Paulo Guarulhos Sarasota Seattle Tacoma Sioux Falls Syracuse Tampa Tel Aviv suspended citation needed Tokyo Haneda Toronto Pearson Tulum 149 Vancouver Washington Dulles Washington National West Palm Beach ZurichSeasonal Albuquerque Anchorage Athens begins May 23 2024 150 Barcelona Belize City Burlington VT Cozumel Dublin Eagle Vail Edinburgh El Paso Fairbanks Fresno Glacier Park Kalispell Grand Cayman Guatemala City Hayden Steamboat Springs Ixtapa Zihuatanejo Jackson Hole Jacksonville FL Key West Liberia CR Louisville Milan Malpensa Montreal Trudeau begins August 1 2024 151 Montrose Myrtle Beach Nassau Palm Springs Panama City FL Pensacola FL Portland ME Providence Providenciales Puerto Vallarta Punta Cana Rapid City Reno Tahoe Reykjavik Keflavik St Lucia Hewanorra St Maarten St Thomas San Jose CR Savannah Shannon Spokane Traverse City Tucson Wichita 152 United ExpressAkron Canton Albany Albuquerque Allentown Appleton Asheville Aspen Atlanta Austin Baltimore Birmingham AL Boise Boston Buffalo Burlington VT Calgary Cedar Rapids Iowa City Charleston SC Charleston WV Charlotte Charlottesville VA Chattanooga Cincinnati Cleveland Colorado Springs Columbia SC Columbus Glenn Dallas Fort Worth Dayton Decatur Des Moines Detroit Duluth El Paso Fargo Fayetteville Bentonville Flint Fort Dodge Fort Wayne Fresno Grand Rapids Green Bay Greensboro Greenville Spartanburg Harrisburg Hartford Houghton Huntsville Indianapolis Jacksonville FL Johnstown PA Joplin Kansas City Knoxville Lexington Lincoln Little Rock Louisville Madison Mason City Memphis Milwaukee Minneapolis St Paul Moline Quad Cities Montreal Trudeau Nashville New Orleans New York LaGuardia Norfolk Oklahoma City Omaha Ottawa Pensacola FL Peoria Philadelphia Pittsburgh Portland ME Providence Rapid City Richmond Roanoke Rochester NY Saginaw St Louis Salina Salt Lake City San Antonio Sarasota Savannah Sioux City Sioux Falls South Bend Springfield Branson State College Syracuse Toronto Pearson Traverse City Tucson Tulsa Washington Dulles Washington National Wichita Wilkes Barre Scranton Winnipeg resumes May 23 2024 153 Seasonal Bangor Fresno Glacier Park Kalispell Great Falls begins May 25 2024 154 Harlingen 155 Hayden Steamboat Springs Hilton Head Key West Missoula Montrose Myrtle Beach Nantucket begins May 25 2024 154 Palm Springs Panama City FL Quebec City resumes May 23 2024 156 Raleigh Durham Reno Tahoe Sun Valley Wilmington NC resumes May 25 2024 157 152 Viva AerobusGuadalajara Leon Del Bajio Mexico City Monterrey Morelia Seasonal Zacatecas 158 VolarisGuadalajara Leon Del Bajio Mexico City Morelia QueretaroSeasonal Huatulco Ixtapa Zihuatanejo Puerto Vallarta 159 WestJetSeasonal Calgary 160 1 Ethiopian Airlines flight from Addis Ababa to O Hare stops at Rome Fiumicino 161 but the flight from O Hare to Addis Ababa is non stop Cargo edit AirlinesDestinationsRefsAeroLogicFrankfurtAeroUnionMexico City AIFAAirBridgeCargoDallas Fort Worth Houston Intercontinental Luxembourg all suspended 162 Air Canada CargoToronto Pearson begins June 2 2024 163 Air China CargoAnchorage Beijing Capital Frankfurt New York JFK Shanghai Pudong TianjinAir France CargoDublin Glasgow Prestwick New York JFK Paris Charles de GaulleANA CargoTokyo Narita 164 Asiana CargoAnchorage Atlanta New York JFK Seattle Tacoma Seoul IncheonASL Airlines BelgiumLiegeAtlas AirAmsterdam Anchorage Cincinnati Dallas Fort Worth Frankfurt Hong Kong Honolulu Los Angeles Liege Miami Milan Malpensa New York JFK Seoul Incheon Stuttgart Tokyo Narita 165 CargoluxAnchorage Atlanta Dallas Fort Worth Hong Kong Indianapolis Kuala Lumpur International Los Angeles Luxembourg New York JFK Singapore ZhengzhouCathay CargoAnchorage Hong Kong New York JFK Portland OR China Airlines CargoAnchorage Houston Intercontinental San Francisco Seattle Tacoma Taipei TaoyuanChina Cargo AirlinesAnchorage Atlanta Dallas Fort Worth Shanghai PudongChina Southern CargoGuangzhou Shanghai Pudong 166 DHL AviationAnchorage Calgary Cincinnati Newark New York JFKEmirates SkyCargoDubai Al Maktoum Maastricht Aachen 167 EVA Air CargoAnchorage Dallas Fort Worth Taipei TaoyuanFedEx ExpressFort Worth Alliance Greensboro Indianapolis Los Angeles Memphis Milwaukee Newark Omaha Oakland Pittsburgh Portland OR Seattle TacomaKorean Air CargoAnchorage Halifax Los Angeles San Francisco Seattle Tacoma Toronto PearsonLATAM Cargo ChileCampinas 168 LOT Polish AirlinesWarsaw ChopinLufthansa CargoAnchorage Atlanta Frankfurt Guadalajara Los Angeles Manchester UK Mexico City AIFA New York JFK 169 MartinairOsloMSC Air CargoIndianapolis Liege 170 Nippon Cargo AirlinesAnchorage Dallas Fort Worth Edmonton Los Angeles New York JFK 171 172 Qantas FreightAnchorage Auckland Chongqing Honolulu Los Angeles Melbourne Sydney 173 174 175 176 Qatar Airways CargoAmsterdam Brussels Doha Los Angeles Milan Malpensa Ostend Bruges 177 Singapore 178 179 180 181 Silk Way AirlinesBaku 182 Singapore Airlines CargoAnchorage Atlanta Brussels Dallas Fort Worth Los Angeles Seattle Tacoma 183 Suparna AirlinesAnchorage Shanghai PudongTurkish CargoIstanbul Maastricht Aachen Shannon Toronto Pearson 184 185 UPS AirlinesCologne Bonn Columbus Rickenbacker Dallas Fort Worth Louisville Miami Philadelphia Portland OR Statistics editTop destinations edit Busiest domestic routes from ORD February 2023 January 2024 186 Rank Airport Passengers Carriers 1 nbsp Los Angeles California 1 138 000 American Spirit United 2 nbsp New York LaGuardia New York 1 102 000 American Delta United 3 nbsp Denver Colorado 998 000 American Southwest United 4 nbsp Orlando Florida 876 000 American Frontier Southwest Spirit United 5 nbsp San Francisco California 873 000 Alaska American United 6 nbsp Phoenix Sky Harbor Arizona 861 000 American Southwest Spirit United 7 nbsp Dallas Fort Worth Texas 843 000 American Spirit United 8 nbsp Atlanta Georgia 823 000 American Delta Frontier Spirit United 9 nbsp Las Vegas Nevada 808 000 American Frontier Southwest Spirit United 10 nbsp Newark New Jersey 765 000 American United Busiest international routes from ORD October 2022 September 2023 187 Rank Airport Passengers Carriers 1 nbsp London Heathrow United Kingdom 1 008 885 American British Airways United 2 nbsp Cancun Mexico 862 563 American Frontier Southwest Spirit United 3 nbsp Toronto Pearson Canada 704 364 Air Canada American United 4 nbsp Mexico City Mexico 667 260 Aeromexico United Viva Aerobus Volaris 5 nbsp Frankfurt Germany 586 239 Lufthansa United 6 nbsp Paris France 438 682 Air France American United 7 nbsp Dublin Ireland 411 649 Aer Lingus American United 8 nbsp Tokyo Japan 396 394 ANA Japan Airlines United 9 nbsp Istanbul Turkey 386 478 Turkish 10 nbsp Munich Germany 378 187 Lufthansa United Airline market share edit Top airlines at ORD February 2023 January 2024 186 Rank Airline Passengers Percent of market share 1 United Airlines 23 788 000 40 58 2 American Airlines 13 342 000 22 76 3 SkyWest Airlines 5 447 000 9 29 4 Envoy Air 2 773 000 4 73 5 Delta Airlines 2 538 000 4 42 Other 10 479 000 18 27 Annual traffic edit Graphs are unavailable due to technical issues There is more info on Phabricator and on MediaWiki org Annual passenger traffic at ORD airport See Wikidata query Traffic by calendar year 188 Year Passenger volume Change over previous year Aircraft operations Cargo tonnage 2000 72 144 244 nbsp 0 0 64 908 989 1 640 524 2001 67 448 064 nbsp 0 6 51 911 917 1 413 834 2002 66 565 952 nbsp 0 1 31 922 817 1 436 386 2003 69 508 672 nbsp 0 4 40 928 691 1 601 736 2004 75 533 822 nbsp 0 8 67 992 427 1 685 808 2005 76 581 146 nbsp 0 1 38 972 248 1 701 446 2006 76 282 212 nbsp 0 0 30 958 643 1 718 011 2007 76 182 025 nbsp 0 0 15 926 973 1 690 742 2008 70 819 015 nbsp 0 7 03 881 566 1 480 847 2009 64 397 782 nbsp 0 9 07 827 899 1 198 426 2010 67 026 191 nbsp 0 3 83 882 617 1 577 048 2011 66 790 996 nbsp 0 0 35 878 798 1 505 218 2012 66 834 931 nbsp 0 0 04 878 108 1 443 569 2013 66 909 638 nbsp 0 0 12 883 287 1 434 377 2014 70 075 204 nbsp 0 4 45 881 933 1 578 330 2015 76 949 336 nbsp 0 9 81 875 136 1 742 501 2016 77 960 588 nbsp 0 1 31 867 635 1 726 362 2017 79 828 183 nbsp 0 2 40 867 049 1 950 137 2018 83 339 186 189 nbsp 0 4 40 903 747 1 868 880 2019 84 649 115 nbsp 0 1 69 919 704 1 788 001 2020 30 860 251 nbsp 0 63 54 538 211 2 052 025 2021 54 020 399 nbsp 0 75 06 684 201 2 536 576 2022 68 340 619 nbsp 0 26 50 711 561 2 235 709 2023 73 894 226 nbsp 0 8 13 720 582 1 906 463 On time performance domestic major U S carriers only edit On time performance by calendar year 186 Year Percent of on time departures Percent of on time arrivals Average departure delay min Average arrival delay min Percent of cancelled flights 2017 79 81 69 43 77 38 1 40 2018 77 77 69 15 77 91 2 14 2019 75 75 73 69 86 01 3 11 2020 84 85 65 36 78 36 6 18 2021 81 82 70 40 82 42 1 93 2022 78 79 70 26 80 29 2 75 Major accidents and incidents editThe following is a list of major crashes or incidents that occurred to planes at O Hare on approach or just after takeoff from the airport 190 On September 17 1961 Northwest Orient Airlines Flight 706 a Lockheed L 188 Electra crashed upon takeoff killing all 37 on board 191 On August 16 1965 United Airlines Flight 389 a Boeing 727 crashed 30 miles 48 km east of O Hare while on approach killing all 30 on board 192 On December 27 1968 North Central Airlines Flight 458 a Convair CV 580 crashed into a hangar at O Hare killing 27 on board and one on the ground 193 On December 20 1972 North Central Airlines Flight 575 a Douglas DC 9 crashed upon takeoff after colliding with Delta Airlines Flight 954 a Convair CV 880 which was taxiing across the active runway 10 passengers on the DC 9 were killed 194 On May 25 1979 American Airlines Flight 191 a McDonnell Douglas DC 10 on a Memorial Day weekend flight to Los Angeles International Airport had its left engine detach while taking off from runway 32R then stalled and crashed into a field some 4 600 feet 1 400 m away 273 died including two on the ground in the deadliest single aircraft crash in United States history and the worst aviation disaster in U S history prior to the September 11 2001 attacks 195 196 On March 19 1982 a United States Air Force KC 135 Stratotanker crashed upon approach to O Hare 40 miles 64 km northwest of the city near Woodstock killing 27 people on board 197 On February 9 1998 American Airlines Flight 1340 a Boeing 727 crashed upon landing from Kansas City injuring 22 passengers 198 On October 28 2016 American Airlines Flight 383 aborted takeoff on runway 28R after a fire broke out in the right engine of the Boeing 767 300ER 20 passengers and one flight attendant were injured 199 On April 9 2017 a passenger was forced off of a Republic operated United Express flight in Chicago bound for Louisville The passenger was escorted off the flight by Chicago Department of Aviation officers after he refused to give up his seat to an airline employee He attempted to run back onto the aircraft but was removed A video posted on social media showing him being injured and dragged off the plane led to a public outcry See also editList of the world s busiest airports for a complete list of the busiest airports in the world List of airports in Illinois Chicago Union StationNotes edit sometimes referred to as Chicago O Hare or simply O HareReferences edit Chicago O Hare International Airport AirNav LLC Archived from the original on October 29 2016 Retrieved October 28 2016 Frontier Airlines to Re Open Pilot Base in Chicago Frontier Newsroom November 21 2023 Retrieved November 22 2023 Year to Date Operations Passengers Cargo Summary December 2023 PDF flychicago com Retrieved March 6 2024 About the CDA City of Chicago Department of Aviation Archived from the original on May 4 2018 Retrieved May 3 2018 FAA Airport Form 5010 for ORD PDF effective January 25 2024 ORD airport data at skyvector com skyvector com Retrieved August 25 2022 Non stop Service Chicago Department of Aviation Archived from the original on March 26 2019 Retrieved March 26 2019 O Hare to offer first direct Chicago to Africa flights Chicago Tribune Chicago Tribune Publishing Associated Press Archived from the original on April 1 2018 Retrieved April 1 2018 Chicago O Hare Airport named World s Best Connected Airport on 2022 Megahub Connectivity Index ABC News Chicago ABC Owned Television Stations September 21 2022 Retrieved October 4 2022 a b c d e Petchmo Ian The Fascinating History Chicago s O Hare International Airport 1920 1960 airwaysmag com Airways International Inc Archived from the original on November 7 2017 Retrieved April 7 2018 O Hare History Chicago Chicago Department of Transportation Retrieved July 18 2022 Burley Paul Ralph H Burke Early Innovator of Chicago O Hare International Airport Chicago Northwestern University Archived from the original on May 11 2018 Retrieved May 10 2018 a href Template Cite journal html title Template Cite journal cite journal a Cite journal requires journal help O Hare Ranks as World s Fourth Busiest Airport According to New Report NBC News Chicago NBC Owned Television Stations April 11 2022 Retrieved April 19 2022 Josephs Leslie April 15 2024 World s busiest airports show surge in international travel Here are the rankings CNBC Retrieved April 15 2024 Hetter Katia This is the world s busiest airport CNN Travel Atlanta Warner Bros Discovery Archived from the original on November 19 2019 Retrieved November 26 2019 Mutzbaugh Ben The fleet and hubs of United Airlines by the numbers USA Today Washington Gannett Archived from the original on February 12 2018 Retrieved January 29 2018 Chicago IL O Hare ORD Washington Bureau of Transportation Statistics Archived from the original on October 6 2014 Retrieved September 1 2015 Harden Mark September 30 2014 Frontier Airlines making Chicago s O Hare a focus Chicago Business Journal Chicago American City Business Journals Archived from the original on October 3 2014 Retrieved September 30 2014 Bhaskara Vinay October 1 2014 Spirit Airlines Adds Two New Routes at Chicago O Hare 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2012 Chicago O Hare International Airport Archived June 28 2020 at the Wayback Machine Reported Lost amp Found Retrieved June 24 2020 McGovern Petersen Laurie 2004 Chicago O Hare International Airport In Sinkevitch Alice ed AIA Guide to Chicago 2nd ed Orlando Florida Harcourt p 278 ISBN 0 15 602908 1 Retrieved February 8 2013 Flightguide Vol II Revision 5 71 Airguide Publications Monty Navarre Monterrey CA Chicago IL Chicago O Hare International ORD Bureau of Transportation Statistics Archived from the original on March 12 2012 Retrieved November 3 2010 Lessons Learned From the Chicago O Hare Modernization Program PDF enotrans com Eno Center for Transportation Archived PDF from the original on May 1 2021 Retrieved April 6 2018 Hinz Greg September 25 2019 Here s how O Hare s 8 5 billion makeover is moving along Crain s Chicago Business Crain Communications Inc Archived from the original on September 26 2019 Retrieved September 26 2019 Petchmo Ian The Fascinating History Chicago s O Hare International Airport 2000 to Present www airwaysmag com Airways International Inc Archived from the original on May 10 2018 Retrieved May 10 2018 Runway realignment at O Hare map chicagotribune com Chicago Tribune July 20 2015 Archived from the original on April 1 2018 Retrieved March 31 2018 Wessell Todd September 10 2021 6 Billion 16 Year O Hare Modernization Project Ends Construction Journal amp Topics Archived from the original on November 9 2021 Retrieved November 9 2021 Spielman Fran City Council approves 8 5 billion O Hare expansion plan by 40 to 1 vote Chicago Sun Times Chicago Chicago Public Media Archived from the original on April 1 2018 Retrieved April 1 2018 Byrne Ruthhart John Bill 4 billion bond approval earns Emanuel key victory as council green lights O Hare overhaul Chicago Tribune Chicago Tribune Publishing Archived from the original on April 1 2018 Retrieved April 1 2018 a href Template Cite news html title Template Cite news cite news a CS1 maint multiple names authors list link City of Chicago Announces Selection of Studio ORD to Lead Historic O Hare Expansion O Hare International Airport Press release Chicago Chicago Department of Aviation Archived from the original on March 27 2019 Retrieved March 27 2019 Studio Gang to design Chicago O Hare airport terminal dezeen com March 27 2019 Archived from the original on March 31 2019 Retrieved April 6 2019 City of Chicago Announces Selection of SOM LLP To Design Two Satellite Concourses at O Hare flychicago com Chicago Department of Aviation Archived from the original on May 1 2021 Retrieved July 15 2019 Koziarz Jay January 17 2019 Here are the five designs competing for O Hare s 8 5B expansion Curbed Chicago Chicago Vox Media Archived from the original on October 13 2020 Retrieved October 1 2020 Hinz Greg November 21 2022 Massive O Hare project clears last hurdle Crain s Chicago Business Chicago Crain Communications Retrieved December 1 2022 As O Hare expansion price tag climbs airport s two 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Chicago O Hare opens second phase of new cargo facility aircargoweek com Azura International Archived from the original on April 2 2018 Retrieved April 2 2018 Year To Date Operations Passengers Cargo Summary By Class As of December 2018 O Hare International Airport flychicago com Chicago Department of Aviation Archived from the original on September 14 2019 Retrieved July 15 2019 Select O Hare 2081 December beelove link beelove Sweet Beginnings LLC Archived from the original on July 15 2019 Retrieved July 15 2019 Baskas Harriet August 6 2017 Bee colonies take flight once more with some help from airport apiaries cnbc com CNBC LLC Archived from the original on April 2 2018 Retrieved April 2 2018 Apiary The First Major On Airport Apiary in the U S flychicago com Chicago Department of Aviation Archived from the original on April 2 2018 Retrieved April 2 2018 Timetables Aer Lingus Archived from the original on February 19 2017 Retrieved March 17 2018 Timetables Aeromexico Archived from the 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Retrieved February 20 2023 Timetables International Routes Archived from the original on June 24 2018 Retrieved March 17 2018 a b Flight schedules and notifications Archived from the original on February 2 2017 Retrieved March 17 2018 American Airlines Announces New Nonstop Service from CAE to Chicago February 20 2023 https flyevv com about evansville regional airport news new nonstop flights to chicago AILEVON PACIFIC Aviation Consulting Weekly Airline Schedule Update May 1st 2023 May 2023 Retrieved May 8 2023 American Resumes Chicago Hayden Steamboat Springs From late Dec 2023 Aeroroutes Retrieved October 2 2023 Austrian Timetable Austrian Airlines Archived from the original on March 31 2019 Retrieved March 17 2018 AVIANCA COSTA RICA RESUMES 2 US ROUTES FROM DEC 2023 Aeroroutes Retrieved September 13 2023 Check itineraries Retrieved August 5 2018 Timetables British Airways Archived from the original on March 30 2017 Retrieved March 17 2018 Flight Status Archived from the original on March 17 2018 Retrieved March 17 2018 Cathay Pacific Resumes Chicago Service from Oct 2023 AeroRoutes May 15 2023 Retrieved May 15 2023 Flight Timetable Cathay Pacific Archived from the original on July 1 2017 Retrieved March 17 2018 Route Map Archived from the original on June 24 2021 Retrieved June 20 2021 Flight Schedule Copa Airlines Archived from the original on November 9 2017 Retrieved March 17 2018 a b FLIGHT SCHEDULES Archived from the original on June 21 2015 Retrieved March 17 2018 Denver Air Connection Reliable On Time Flights Denver Air Connection Archived from the original on April 15 2021 Retrieved April 14 2021 Flight Schedules Emirates Archived from the original on June 30 2017 Retrieved March 17 2018 Schedule Fly Ethiopian Archived from the original on March 31 2019 Retrieved March 17 2018 Flight Timetables Etihad Airways Archived from the original on April 21 2017 Retrieved March 17 2018 Timetables EVA Air Archived from the original on May 16 2017 Retrieved March 17 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October 11 2023 ITA Airways announces seven new destinations for Summer 2024 Aviaci Online Ultimas noticias de aviacion de Argentina Latinoamerica y el mundo Retrieved October 11 2023 ITA AIRWAYS WORLD Itaspa com Retrieved February 22 2022 Japan Airlines Timetables Archived from the original on October 15 2018 Retrieved March 17 2018 Where We Jet Flight Destinations JetBlue com JetBlue Airways Archived from the original on April 6 2023 Retrieved January 16 2020 View the Timetable KLM Archived from the original on September 12 2017 Retrieved March 17 2018 Flight Status and Schedules Korean Air Archived from the original on June 28 2018 Retrieved March 17 2018 Timetables LOT Polish Airlines Archived from the original on May 6 2017 Retrieved March 17 2018 Timetable Lufthansa Canada Lufthansa Archived from the original on November 9 2017 Retrieved March 17 2018 Flight timetable Archived from the original on October 4 2017 Retrieved March 17 2018 Route Map Royal Jordanian Airlines Archived 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Retrieved January 25 2024 a b https twitter com IshrionA status 1758648304370364654 ref src twsrc 5Egoogle 7Ctwcamp 5Eserp 7Ctwgr 5Etweet Aeropuerto Internacional de Harlingen anuncia dos nuevas rutas sin escala November 29 2023 United Resumes Winnipeg and Chicago Quebec in NS24 Aeroroutes Retrieved January 26 2024 United Schedules Additional Seasonal Domestic Routes in NS24 Aeroroutes Retrieved February 19 2024 VivaAerobus Flight Schedule Archived from the original on April 5 2018 Retrieved August 16 2019 Volaris Flight Schedule Archived from the original on February 27 2017 Retrieved March 17 2018 Direct and Non Stop Flights WestJet Ethiopian Airlines NW23 North America Tech Stop Changes Aeroroutes September 18 2023 Our Network Archived from the original on September 13 2017 Retrieved September 12 2017 Air Canada Cargo adds freighter service to Chicago Freight Week April 23 2024 Retrieved April 24 2024 ANAカーゴの777F 成田 シカゴ就航 初の北米路線 Archived from the original on December 11 2019 Retrieved January 2 2020 Atlas Air Schedule Atlas Air Retrieved December 18 2023 China Southern Cargo Schedule Archived from the original on January 19 2014 Retrieved March 28 2013 SkyCargo Route Map Emirates SkyCargo Archived from the original on February 16 2013 Retrieved May 9 2013 City of Chicago Welcomes LATAM Cargo to O Hare International Airport flychicago com Chicago Department of Aviation Archived from the original on February 27 2019 Retrieved February 26 2019 Malinowski Lukasz February 14 2012 Cargo Jet i PLL LOT Cargo uruchomily trase z Pyrzowic do Chicago Jet Cargo and LOT Polish Airlines Cargo Has Launched a Route from Katowice to Chicago Press release in Polish Katowice International Airport Archived from the original on August 1 2013 Retrieved July 15 2012 Air cargo schedule The customized AeroLogic network Aero Logic Archived from the original on August 8 2013 Retrieved August 13 2013 Edmonton adds to cargo load with a regular flight to Tokyo Edmonton Globalnews ca August 14 2017 Archived from the original on August 19 2017 Retrieved March 16 2018 Qantas Freight International Network Map PDF Map Qantas Freight Archived from the original PDF on September 24 2015 Retrieved September 1 2015 Qantas flight QF 7552 schedule Info flightmapper net April 27 2016 Archived from the original on November 16 2015 Retrieved April 27 2016 Qantas Freight Launches Chongqing Route Air Cargo World April 19 2012 Archived from the original on September 25 2015 Retrieved July 15 2012 Qantas Freighter Network Northern Summer Schedule 2010 PDF Qantas Freight June 2010 Archived from the original PDF on December 30 2010 Retrieved July 15 2012 Noeth Bart May 31 2021 Ostend Bruges Airport officially added to Qatar Airways Cargo Network Archived from the original on June 2 2021 Retrieved June 2 2021 Qatar Airways to Begin Chicago Freighter Service AMEinfo August 2 2010 Archived from the original on August 3 2010 Retrieved November 3 2010 Qatar Airways to begin Chicago freighter service Air Cargo News August 10 2010 Archived from the original on September 25 2015 Retrieved September 1 2015 Qatar Airways to Start Milan Chicago Freighter Service The Journal of Commerce June 6 2013 Archived from the original on November 3 2013 Retrieved June 29 2013 Qatar Airways Cargo Announces Inclusion of Singapore on its Popular Transpacific Freighter Route Qatar Airways July 16 2019 Archived from the original on December 28 2020 Retrieved October 3 2020 Silk Way Launches Direct Flights to Chicago September 23 2016 Archived from the original on October 1 2016 Retrieved October 2 2016 Singapore Airlines Cargo Singapore Airlines Cargo September 2015 Archived from the original on May 17 2013 Retrieved June 10 2013 Turkish freighter goes to Chicago Air Cargo News April 7 2015 Archived from the original on July 1 2015 Retrieved April 12 2015 Turkish Airlines Cargo added new destinations from 2018 Routesonline com Archived from the original on December 22 2017 Retrieved March 16 2018 a b c Chicago IL O Hare ORD Bureau of Transportation Statistics U S Department of Transportation Retrieved March 22 2024 International Report Passengers United States Department of Transportation 2024 Archived from the original on July 19 2019 Retrieved February 12 2024 Air Traffic Data www flychicago com Archived from the original on April 6 2018 Retrieved March 16 2023 Year To Date Operations Passengers Cargo Summary By Class PDF Archived PDF from the original on April 12 2019 Retrieved April 11 2019 Chicago O Hare International Airport IL profile Aviation Safety Network July 13 2008 Archived from the original on October 7 2010 Retrieved November 3 2010 ASN Aircraft accident Lockheed L 188C Electra N137US Chicago O Hare International Airport IL ORD Aviation Safety Network Archived from the original on October 23 2012 Retrieved July 15 2012 ASN Aircraft accident Boeing 727 22 N7036U Lake Michigan MI Aviation Safety Network Archived from the original on April 25 2012 Retrieved July 15 2012 ASN Aircraft accident Convair CV 580 N2045 Chicago O Hare International Airport IL ORD Aviation Safety Network Archived from the original on August 1 2013 Retrieved November 3 2010 ASN Aircraft accident McDonnell Douglas DC 9 31 N954N Chicago O Hare International Airport IL ORD Aviation Safety Network December 20 1972 Archived from the original on August 1 2013 Retrieved November 3 2010 ASN Aircraft accident McDonnell Douglas DC 10 10 N110AA Chicago O Hare International Airport IL ORD Aviation Safety Network Archived from the original on January 10 2011 Retrieved November 3 2010 Franklin Cory May 24 2015 Commentary American Airlines Flight 191 still haunts Chicago Tribune Archived from the original on September 9 2015 Retrieved September 1 2015 ASN Aircraft accident Boeing KC 135A BN Stratotanker 58 0031 Greenwood IL Aviation Safety Network Archived from the original on May 31 2010 Retrieved November 3 2010 ASN Aircraft accident Boeing 727 N845AA Chicago O Hare International Airport IL ORD Aviation Safety Network Archived from the original on August 1 2013 Retrieved November 3 2010 Uncontained Engine Failure and Subsequent Fire American Airlines Flight 383 Boeing 767 323 N345AN PDF ntsb gov National Transportation Safety Board Archived PDF from the original on April 5 2018 Retrieved April 4 2018 nbsp This article incorporates public domain material from the Air Force Historical Research AgencyExternal links editO Hare International Airport at Wikipedia s sister projects nbsp Definitions from Wiktionary nbsp Media from Commons nbsp News from Wikinews nbsp Quotations from Wikiquote nbsp Texts from Wikisource nbsp Textbooks from Wikibooks nbsp Resources from Wikiversity nbsp Travel information from Wikivoyage Official website O Hare Modernization Program City of Chicago Council Ordinance authorizing ORD21 with TAP attached O2018 1124 V1 pdf City of Chicago O Hare History Northwest Chicago Historical Society The Fascinating History of Chicago s O Hare International Airport 1920 1960 1960 2000 2000 to Present Olson William January 4 2010 Sustainable Airport Design Takes Flight The O Hare Modernization Program GreenBeanChicago com FAA Airport Diagram PDF effective April 18 2024 Resources for this airport AirNav airport information for KORD ASN accident history for ORD FlightAware airport information and live flight tracker NOAA NWS weather observations current past three days SkyVector aeronautical chart for KORD FAA current ORD delay information Live KORD airplane map radar Pate R Hewitt Assistant Attorney General Antitrust Division McDonald Bruce Deputy Assistant Attorney General Antitrust Division Gillespie William H Economist May 24 2005 Congestion And Delay Reduction at Chicago O Hare International Airport Docket No FAA 2005 20704 Comments of The United States Department of Justice Before The Federal Aviation Administration Department of Transportation Retrieved September 2 2011 a href Template Cite web html title Template Cite web cite web a CS1 maint multiple names authors list link O Hare International Airport aviation weather in Spanish English French and Chinese Retrieved from https en wikipedia org w index php title O 27Hare International Airport amp oldid 1221955854, wikipedia, wiki, book, books, library,

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