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Airports · Chicago O'Hare International Airport

Flights from Chicago (ORD)

Airlines flew 420,599 departures out of Chicago O'Hare International Airport (ORD) carrying 41,990,769 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.

What flies from Chicago

US DOT T-100 · filed data

What airlines actually flew out of Chicago — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.

Departures

420,599

April 2026

Seats flown

51,809,313

Passengers

41,990,769

Load factor

81.0%

passengers ÷ seats

Busiest routes from Chicago

Where flights from Chicago go most, by departures over the trailing 12 months.

  • ORDLGA

    11,046 departures · 1,380,108 passengers

    85.6%

    Load

  • ORDBOS

    7,278 departures · 920,089 passengers

    87.0%

    Load

  • ORDLAX

    6,974 departures · 1,157,940 passengers

    83.7%

    Load

  • ORDDFW

    6,658 departures · 945,474 passengers

    84.0%

    Load

  • ORDDCA

    6,624 departures · 632,733 passengers

    71.0%

    Load

  • ORDMSP

    6,472 departures · 638,324 passengers

    81.9%

    Load

  • ORDMCO

    6,285 departures · 983,001 passengers

    82.9%

    Load

  • ORDATL

    6,237 departures · 792,909 passengers

    80.8%

    Load

  • ORDDEN

    6,187 departures · 1,010,916 passengers

    84.8%

    Load

  • ORDIAH

    5,963 departures · 848,109 passengers

    83.6%

    Load

  • ORDDTW

    5,937 departures · 396,202 passengers

    73.6%

    Load

  • ORDEWR

    5,798 departures · 840,099 passengers

    86.7%

    Load

  • ORDYYZ

    5,574 departures · 449,862 passengers

    84.1%

    Load

  • ORDPHX

    5,556 departures · 856,500 passengers

    85.2%

    Load

  • ORDSFO

    5,491 departures · 980,113 passengers

    88.4%

    Load

Airlines at Chicago

Ranked by seats flown — the capacity each carrier actually operated out of Chicago.

Aircraft flown from Chicago

Aircraft types by share of departures — what actually operated, not what's based here.

Monthly departures from Chicago

Monthly departures from Chicago, trailing 12 months through April 2026. Bars scale to the busiest month.

  • May 2025

    35,415 departures · 3,700,316 passengers

    84.1%

    Load

  • June 2025

    36,569 departures · 3,957,028 passengers

    86.4%

    Load

  • July 2025

    36,933 departures · 3,992,152 passengers

    85.4%

    Load

  • August 2025

    36,285 departures · 3,856,558 passengers

    84.2%

    Load

  • September 2025

    35,168 departures · 3,618,306 passengers

    81.8%

    Load

  • October 2025

    37,539 departures · 3,818,677 passengers

    82.2%

    Load

  • November 2025

    32,919 departures · 3,104,614 passengers

    77.5%

    Load

  • December 2025

    33,657 departures · 3,330,627 passengers

    81.7%

    Load

  • January 2026

    30,431 departures · 2,719,407 passengers

    74.2%

    Load

  • February 2026

    30,935 departures · 2,839,535 passengers

    76.9%

    Load

  • March 2026

    36,086 departures · 3,576,944 passengers

    81.5%

    Load

  • April 2026

    38,662 departures · 3,476,605 passengers

    74.5%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.