Atlanta (ATL) to St Louis (STL)
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.
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What actually flies ATL–STL
US DOT T-100 · filed dataIn April 2026, Delta Air Lines operated the most departures, one of 4 carriers flying nonstop ATL–STL; the Boeing 737-900ER was the most common aircraft at 30% of departures; flights ran 72% full.
Departures
591
April 2026
Seats
103,149
both directions
Passengers
73,787
both directions
Load factor
71.5%
passengers ÷ seats
Who flies ATL–STL?
Delta Air Lines operated the most nonstop ATL–STL departures in April 2026 (382), one of 4 carriers on the route.
- DL
Delta Air Lines
382 departures · 68,126 seats
Share of departures64.6%80.2%
Load
- WN
Southwest Airlines
172 departures · 26,756 seats
Share of departures29.1%58.4%
Load
- F9
Frontier Airlines
36 departures · 8,088 seats
Share of departures6.1%42.3%
Load
- UA
United Airlines
1 departures · 179 seats
Share of departures0.2%38.0%
Load
What plane flies ATL–STL?
In April 2026, the Boeing 737-900ER flew 30% of ATL–STL departures — more than any other aircraft type.
- Boeing 737-900ER
180 departures · 84.8% load
30.5% - Airbus A321
163 departures · 74.1% load
27.6% - Boeing 737-700
88 departures · 67.0% load
14.9% - Boeing 737-800
57 departures · 63.1% load
9.6% - Boeing 737 MAX 8
49 departures · 54.5% load
8.3% - Airbus A321neo
26 departures · 36.6% load
4.4% - Boeing 717-200
16 departures · 84.3% load
2.7% - Airbus A320neo
8 departures · 66.9% load
1.4% - Airbus A320
2 departures · 40.8% load
0.3% - Airbus A330-900
1 departures · 82.9% load
0.2% - Boeing 737 MAX 9
1 departures · 38.0% load
0.2%
How has ATL–STL traffic changed?
Nonstop ATL–STL departures rose from 590 in May 2025 to 591 in April 2026.
Monthly nonstop ATL–STL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
590 departures · 78,883 passengers
78.8%
Load
June 2025
649 departures · 85,668 passengers
78.0%
Load
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
By direction
The DOT files each direction separately — they rarely match.
ATL → STL
72.0% full
296 departures · 37,177 passengers
STL → ATL
71.1% full
295 departures · 36,610 passengers
Nonstop ATL–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
Atlanta
US
Hartsfield Jackson Atlanta International Airport
Coordinates
33.64°N, 84.43°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 April 2026, the Boeing 737-900ER flew the largest share of departures (30.5%), followed by the Airbus A321 (27.6%).
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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