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
Filed traffic dataIn June 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop DAL–STL; the Boeing 737 MAX 8 was the most common aircraft at 41% of departures; flights ran 73% full.
Departures
337
June 2026
Seats
55,414
both directions
Passengers
40,419
both directions
Load factor
72.9%
RPM ÷ ASM
Who flies DAL–STL?
Southwest Airlines operated the most nonstop DAL–STL departures in June 2026 (336), one of 2 carriers on the route.
- WN
336 departures · 55,342 seats
Share of departures99.7%72.9%
Load
- DL
1 departures · 72 seats
Share of departures0.3%97.2%
Load
What plane flies DAL–STL?
In June 2026, the Boeing 737 MAX 8 flew 41% of DAL–STL departures — more than any other aircraft type.
- Boeing 737 MAX 8
138 departures · 70.0% load
40.9% - Boeing 737-800
107 departures · 69.4% load
31.8% - Boeing 737-700
91 departures · 83.9% load
27.0% - Boeing 757-200
1 departures · 97.2% load
0.3%
How has DAL–STL traffic changed?
Nonstop DAL–STL departures rose from 322 in July 2025 to 337 in June 2026.
Monthly nonstop DAL–STL traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
330 departures · 38,854 passengers
71.1%
Load
June 2026
337 departures · 40,419 passengers
72.9%
Load
By direction
Each direction is filed separately — they rarely match.
DAL → STL
71.4% full
169 departures · 19,900 passengers
STL → DAL
74.5% full
168 departures · 20,519 passengers
Nonstop DAL–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
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 June 2026, the Boeing 737 MAX 8 flew the largest share of departures (40.9%), followed by the Boeing 737-800 (31.8%).
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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