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

Look up a route, or build a trip

Change the airports, or add stops for a multi-leg trip.

What actually flies ORD–STL

Filed traffic data

In July 2026, GoJet Airlines operated the most departures, one of 9 carriers flying nonstop ORD–STL; the Bombardier CRJ-550 was the most common aircraft at 36% of departures; flights ran 75% full.

Departures

971

July 2026

Seats

84,634

both directions

Passengers

63,492

both directions

Load factor

75.0%

seat-miles filled

Who flies ORD–STL?

GoJet Airlines operated the most nonstop ORD–STL departures in July 2026 (350), one of 9 carriers on the route.

  • G7

    GoJet Airlines

    350 departures · 17,500 seats

    83.4%

    Load

  • UA

    United Airlines

    190 departures · 31,481 seats

    69.1%

    Load

  • MQ

    Envoy Air

    172 departures · 12,060 seats

    74.7%

    Load

  • OO

    SkyWest Airlines

    121 departures · 8,552 seats

    76.9%

    Load

  • AA

    American Airlines

    71 departures · 9,664 seats

    73.4%

    Load

  • YX

    Republic Airways

    63 departures · 4,788 seats

    84.9%

    Load

  • AS

    Alaska Airlines

    2 departures · 339 seats

    47.5%

    Load

  • DL

    Delta Air Lines

    1 departures · 180 seats

    98.3%

    Load

  • 9E

    Endeavor Air

    1 departures · 70 seats

    92.9%

    Load

What plane flies ORD–STL?

In July 2026, the Bombardier CRJ-550 flew 36% of ORD–STL departures — more than any other aircraft type.

How has ORD–STL traffic changed?

Nonstop ORD–STL departures rose from 803 in August 2025 to 971 in July 2026.

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

  • 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

  • May 2026

    1,078 departures · 64,382 passengers

    71.0%

    Load

  • June 2026

    928 departures · 60,313 passengers

    76.4%

    Load

  • July 2026

    971 departures · 63,492 passengers

    75.0%

    Load

By direction

Each direction is filed separately — they rarely match.

STL → ORD

75.8% full

496 departures · 33,017 passengers

ORD → STL

74.2% full

475 departures · 30,475 passengers

Nonstop ORD–STL traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work). Load factor is RPM ÷ ASM (revenue passenger-miles ÷ available seat-miles).

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 July 2026, the Bombardier CRJ-550 flew the largest share of departures (36.0%), followed by the Embraer E175 (21.2%).

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.

Keep exploring

Every route below is its own page.

Other routes from ORD

Popular long-haul routes