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Chicago (ORD) to St Louis (STL)

258mi
415 km224 nm

Flight time

≈ 1h 19m

Bearing

211° SW

Chicago (ORD) to St Louis (STL) is 258 miles (415 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: ORD → STLORDSTL

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What actually flies ORD–STL

US DOT T-100 · filed data

In April 2026, GoJet Airlines operated the most departures, one of 10 carriers flying nonstop ORD–STL; the Bombardier CRJ-550 was the most common aircraft at 42% of departures; flights ran 70% full.

Departures

985

April 2026

Seats

81,438

both directions

Passengers

56,857

both directions

Load factor

69.8%

passengers ÷ seats

Who flies ORD–STL?

GoJet Airlines operated the most nonstop ORD–STL departures in April 2026 (410), one of 10 carriers on the route.

  • G7

    GoJet Airlines

    410 departures · 20,500 seats

    81.6%

    Load

  • AA

    American Airlines

    204 departures · 28,832 seats

    61.3%

    Load

  • MQ

    Envoy Air

    144 departures · 10,438 seats

    74.0%

    Load

  • OO

    SkyWest Airlines

    93 departures · 6,072 seats

    76.5%

    Load

  • YX

    Republic Airways

    67 departures · 5,004 seats

    66.9%

    Load

  • UA

    United Airlines

    62 departures · 9,591 seats

    61.8%

    Load

  • DL

    Delta Air Lines

    2 departures · 369 seats

    71.3%

    Load

  • LH

    Lufthansa

    1 departures · 279 seats

    94.6%

    Load

  • AS

    Alaska Airlines

    1 departures · 178 seats

    91.6%

    Load

  • WN

    Southwest Airlines

    1 departures · 175 seats

    61.1%

    Load

What plane flies ORD–STL?

In April 2026, the Bombardier CRJ-550 flew 42% of ORD–STL departures — more than any other aircraft type.

How has ORD–STL traffic changed?

Nonstop ORD–STL departures rose from 824 in May 2025 to 985 in April 2026.

Monthly nonstop ORD–STL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • May 2025

    824 departures · 56,271 passengers

    81.3%

    Load

  • June 2025

    838 departures · 60,817 passengers

    81.5%

    Load

  • July 2025

    846 departures · 62,795 passengers

    83.2%

    Load

  • August 2025

    803 departures · 54,187 passengers

    79.5%

    Load

  • September 2025

    769 departures · 53,455 passengers

    80.0%

    Load

  • October 2025

    826 departures · 56,535 passengers

    76.2%

    Load

  • November 2025

    748 departures · 39,489 passengers

    76.6%

    Load

  • December 2025

    744 departures · 39,086 passengers

    77.2%

    Load

  • January 2026

    698 departures · 34,205 passengers

    81.3%

    Load

  • February 2026

    767 departures · 40,501 passengers

    82.0%

    Load

  • March 2026

    902 departures · 52,498 passengers

    76.3%

    Load

  • April 2026

    985 departures · 56,857 passengers

    69.8%

    Load

By direction

The DOT files each direction separately — they rarely match.

STL → ORD

71.0% full

502 departures · 30,178 passengers

ORD → STL

68.6% full

483 departures · 26,679 passengers

Nonstop ORD–STL traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

ORD

Chicago

US

Chicago O'Hare International Airport

Coordinates

41.98°N, 87.90°W

Hemisphere

N · W

STL

St Louis

US

St. Louis Lambert International Airport

Coordinates

38.75°N, 90.37°W

Hemisphere

N · W

Frequently asked

How far is Chicago (ORD) from St Louis (STL)?

ORD to STL is 258 miles (415 km / 224 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from ORD to STL?

A nonstop covers the 258-mile great-circle distance in roughly 1h 19m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies ORD–STL?

In April 2026, the Bombardier CRJ-550 flew the largest share of departures (41.6%), followed by the Embraer E175 (17.1%).

What mileage do I earn flying ORD–STL?

Distance-based programs credit off the 258-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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