Chicago O'Hare International Airport

ICAO KORD41.9786°N 87.9048°W680 ft / 207 mLarge airport

O'Hare International Airport (USGS) — This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy. · Public domain · Commons

Chicago O'Hare International Airport (IATA: ORD, ICAO: KORD) is a large airport in Chicago, Illinois, United States. It opened in Feb 1944. It has 8 runways; the longest is 13,000 ft (3,962 m). In 2025 it handled 81.8 million passengers.

Timeline

5 events · 1944–2016

FEB 1944

OpenedChicago O'Hare International Airport opens.

17 SEP 1961

DisasterNorthwest Orient Airlines Flight 706.37 killed

25 MAY 1979

DisasterAmerican Airlines Flight 191.273 killed

01 APR 1999

DisasterQ109457975.No deaths

28 OCT 2016

DisasterAmerican Airlines Flight 383.No deaths

From WikidataEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · 1 helipad · FAA diagram PDF

10L/28R090° / 270° · LIT

LENGTH13,000 ft3,962 mWIDTH150 ft46 mSURFACEAsphalt

09R/27L090° / 270° · LIT

LENGTH11,260 ft3,432 mWIDTH150 ft46 mSURFACEAsphalt

09C/27C090° / 270° · LIT

LENGTH11,245 ft3,428 mWIDTH200 ft61 mSURFACEConcrete

10C/28C090° / 270° · LIT

LENGTH10,800 ft3,292 mWIDTH200 ft61 mSURFACEConcrete

04R/22L042° / 222° · LIT

LENGTH8,075 ft2,461 mWIDTH150 ft46 mSURFACEAsphalt

04L/22R039° / 219° · LIT

LENGTH7,500 ft2,286 mWIDTH150 ft46 mSURFACEAsphalt

09L/27R090° / 270° · LIT

LENGTH7,500 ft2,286 mWIDTH150 ft46 mSURFACEConcrete

10R/28L090° / 270° · LIT

LENGTH7,500 ft2,286 mWIDTH150 ft46 mSURFACEConcrete

Passengers per year

2014–2025

70.0M

73.1M

75.7M

77.5M

80.2M

82.1M

29.4M

52.9M

66.6M

72.0M

77.6M

81.8M

141516171819202122232425

Routes

295 destinations · 57 countries

Year-round223

Seasonal111

Cargo34

Most destinationsUnited Airlines 143United Express 126American Eagle 123American Airlines 94Frontier Airlines 23Atlas Air 15

Straight lines are great circles; rings mark true distance from ORD. Dashed: seasonal or charter. Blue: cargo. From the Wikipedia article “O'Hare International Airport” (revision of 17 Sep 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country

Passengers81.8M (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#8of 3,974 · #3 North America · #3 US Longest runway13,000 ft3,962 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=160of 29,823 · =43 North America · =35 US Elevation680 ft207 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=23,763of 43,341 · =11,361 North America · =9,421 US AgeOpened 19442026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=2,300of 15,079 · =1,299 North America · =1,249 US Runways81 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=1of 29,943 · =1 North America · =1 US

Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

9 channels

APPAPP119.000

ASOSASOS135.400

ATISATIS135.400

CLDCLNC DEL121.600

DEPDEP125.000

GNDGND121.675

PTDPTD126.200

TWRTWR126.900

UNICUNICOM122.950

This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy. · Public domain · Commons

At a glance

IATA / ICAO: ORD / KORD what they mean
FAA: ORD
Type: Large airport
Owner: Chicago
Serves: Chicago, Illinois, United States
Opened: Feb 1944
Elevation: 680 ft / 207 m
Coordinates: 41.9786, -87.9048
Runways: 8
Helipads: 1
Longest: 13,000 ft / 3,962 m
Procedures: 70 approaches, 1 departure, 11 arrivals
Passengers: 81.8M (2025)
Time zone: UTC-6/-5 · America/Chicago
Website: flychicago.com
Wikipedia: 62 languages
Wikidata: Q213717
WMO station: 72530
Ident: KORD

All data with sources

WEATHER · METAR KORD

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Weather data: NOAA Aviation Weather Center.