Dallas-Fort Worth (DFW) to St Louis (STL)

550mi
885 km478 nm

Flight time

≈ 1h 54m

Bearing

41° NE

Dallas-Fort Worth (DFW) to St Louis (STL) is 550 miles (885 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DFW → STLDFWSTL

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What actually flies DFWSTL

Filed traffic data

In June 2026, American Airlines operated the most departures, one of 5 carriers flying nonstop DFW–STL; the Boeing 737-800 was the most common aircraft at 32% of departures; flights ran 75% full.

Departures

458

June 2026

Seats

65,957

both directions

Passengers

49,492

both directions

Load factor

75.0%

RPM ÷ ASM

Who flies DFW–STL?

American Airlines operated the most nonstop DFW–STL departures in June 2026 (317), one of 5 carriers on the route.

  • AA

    American Airlines

    317 departures · 49,950 seats

    75.7%

    Load

  • OH

    PSA Airlines

    62 departures · 4,701 seats

    88.9%

    Load

  • F9

    Frontier Airlines

    50 departures · 9,388 seats

    60.7%

    Load

  • OO

    SkyWest Airlines

    28 departures · 1,842 seats

    92.8%

    Load

  • MQ

    Envoy Air

    1 departures · 76 seats

    100.0%

    Load

What plane flies DFW–STL?

In June 2026, the Boeing 737-800 flew 32% of DFW–STL departures — more than any other aircraft type.

How has DFW–STL traffic changed?

Nonstop DFW–STL departures rose from 436 in July 2025 to 458 in June 2026.

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

  • July 2025

    436 departures · 48,966 passengers

    86.5%

    Load

  • August 2025

    396 departures · 43,957 passengers

    81.0%

    Load

  • September 2025

    383 departures · 42,632 passengers

    83.0%

    Load

  • October 2025

    415 departures · 47,046 passengers

    78.7%

    Load

  • November 2025

    402 departures · 43,948 passengers

    77.3%

    Load

  • December 2025

    394 departures · 43,026 passengers

    78.7%

    Load

  • January 2026

    305 departures · 36,515 passengers

    83.6%

    Load

  • February 2026

    318 departures · 40,620 passengers

    84.3%

    Load

  • March 2026

    366 departures · 47,321 passengers

    84.3%

    Load

  • April 2026

    354 departures · 42,938 passengers

    78.4%

    Load

  • May 2026

    403 departures · 47,537 passengers

    76.8%

    Load

  • June 2026

    458 departures · 49,492 passengers

    75.0%

    Load

By direction

Each direction is filed separately — they rarely match.

STLDFW

72.0% full

231 departures · 23,968 passengers

DFWSTL

78.1% full

227 departures · 25,524 passengers

Nonstop DFW–STL traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).

The airports

DFW

US

Dallas Fort Worth International Airport

Coordinates

32.90°N, 97.04°W

Hemisphere

N · W

STL

US

St. Louis Lambert International Airport

Coordinates

38.75°N, 90.37°W

Hemisphere

N · W

Frequently asked

How far is Dallas-Fort Worth (DFW) from St Louis (STL)?

DFW to STL is 550 miles (885 km / 478 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DFW to STL?

A nonstop covers the 550-mile great-circle distance in roughly 1h 54m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DFW–STL?

In June 2026, the Boeing 737-800 flew the largest share of departures (31.7%), followed by the Airbus A320 (18.6%).

What mileage do I earn flying DFW–STL?

Distance-based programs credit off the 550-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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