Dallas (DAL) to St Louis (STL)
Flight time
≈ 1h 53m
Bearing
40° NE
Dallas (DAL) to St Louis (STL) is 546 miles (878 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DAL–STL
US DOT T-100 · filed dataIn April 2026, Southwest Airlines was the only carrier flying nonstop DAL–STL; the Boeing 737 MAX 8 was the most common aircraft at 47% of departures; flights ran 66% full.
Departures
310
April 2026
Seats
50,830
both directions
Passengers
33,708
both directions
Load factor
66.3%
passengers ÷ seats
Who flies DAL–STL?
Southwest Airlines was the only carrier to fly nonstop DAL–STL in April 2026 (310 departures).
- WN
Southwest Airlines
310 departures · 50,830 seats
Share of departures100.0%66.3%
Load
What plane flies DAL–STL?
In April 2026, the Boeing 737 MAX 8 flew 47% of DAL–STL departures — more than any other aircraft type.
- Boeing 737 MAX 8
147 departures · 62.0% load
47.4% - Boeing 737-700
90 departures · 75.4% load
29.0% - Boeing 737-800
73 departures · 66.2% load
23.5%
How has DAL–STL traffic changed?
Nonstop DAL–STL departures fell from 334 in May 2025 to 310 in April 2026.
Monthly nonstop DAL–STL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
334 departures · 38,433 passengers
69.8%
Load
June 2025
320 departures · 35,845 passengers
68.5%
Load
July 2025
322 departures · 37,199 passengers
70.1%
Load
August 2025
339 departures · 37,895 passengers
67.7%
Load
September 2025
346 departures · 39,638 passengers
69.4%
Load
October 2025
307 departures · 38,540 passengers
76.9%
Load
November 2025
298 departures · 34,866 passengers
72.4%
Load
December 2025
306 departures · 34,467 passengers
71.0%
Load
January 2026
279 departures · 26,981 passengers
58.2%
Load
February 2026
296 departures · 27,629 passengers
57.0%
Load
March 2026
332 departures · 37,387 passengers
69.5%
Load
April 2026
310 departures · 33,708 passengers
66.3%
Load
By direction
The DOT files each direction separately — they rarely match.
STL → DAL
67.3% full
156 departures · 16,936 passengers
DAL → STL
65.4% full
154 departures · 16,772 passengers
Nonstop DAL–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
Frequently asked
How far is Dallas (DAL) from St Louis (STL)?
DAL to STL is 546 miles (878 km / 474 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DAL to STL?
A nonstop covers the 546-mile great-circle distance in roughly 1h 53m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DAL–STL?
In April 2026, the Boeing 737 MAX 8 flew the largest share of departures (47.4%), followed by the Boeing 737-700 (29.0%).
What mileage do I earn flying DAL–STL?
Distance-based programs credit off the 546-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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