Atlanta (ATL) to St Louis (STL)

484mi
779 km421 nm

Flight time

≈ 1h 46m

Bearing

319° NW

Atlanta (ATL) to St Louis (STL) is 484 miles (779 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: ATL → STLATLSTL

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What actually flies ATLSTL

Filed traffic data

In June 2026, Delta Air Lines operated the most departures, one of 3 carriers flying nonstop ATL–STL; the Boeing 737-900ER was the most common aircraft at 55% of departures; flights ran 75% full.

Departures

632

June 2026

Seats

109,423

both directions

Passengers

82,420

both directions

Load factor

75.3%

RPM ÷ ASM

Who flies ATL–STL?

Delta Air Lines operated the most nonstop ATL–STL departures in June 2026 (405), one of 3 carriers on the route.

What plane flies ATL–STL?

In June 2026, the Boeing 737-900ER flew 55% of ATL–STL departures — more than any other aircraft type.

How has ATL–STL traffic changed?

Nonstop ATL–STL departures fell from 697 in July 2025 to 632 in June 2026.

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

  • July 2025

    697 departures · 91,775 passengers

    77.8%

    Load

  • August 2025

    651 departures · 80,241 passengers

    73.8%

    Load

  • September 2025

    634 departures · 77,817 passengers

    72.9%

    Load

  • October 2025

    697 departures · 85,349 passengers

    72.8%

    Load

  • November 2025

    549 departures · 67,187 passengers

    73.0%

    Load

  • December 2025

    615 departures · 71,761 passengers

    72.5%

    Load

  • January 2026

    528 departures · 58,917 passengers

    69.8%

    Load

  • February 2026

    506 departures · 59,170 passengers

    72.8%

    Load

  • March 2026

    552 departures · 72,009 passengers

    77.7%

    Load

  • April 2026

    591 departures · 73,787 passengers

    71.5%

    Load

  • May 2026

    655 departures · 82,803 passengers

    71.9%

    Load

  • June 2026

    632 departures · 82,420 passengers

    75.3%

    Load

By direction

Each direction is filed separately — they rarely match.

ATLSTL

74.6% full

316 departures · 40,963 passengers

STLATL

76.1% full

316 departures · 41,457 passengers

Nonstop ATL–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

ATL

US

Hartsfield Jackson Atlanta International Airport

Coordinates

33.64°N, 84.43°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 Atlanta (ATL) from St Louis (STL)?

ATL to STL is 484 miles (779 km / 421 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from ATL to STL?

A nonstop covers the 484-mile great-circle distance in roughly 1h 46m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies ATL–STL?

In June 2026, the Boeing 737-900ER flew the largest share of departures (54.8%), followed by the Boeing 737-700 (14.7%).

What mileage do I earn flying ATL–STL?

Distance-based programs credit off the 484-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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