Austin (AUS) to St Louis (STL)
Flight time
≈ 2h 15m
Bearing
33° NE
Austin (AUS) to St Louis (STL) is 722 miles (1,161 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies AUS–STL
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop AUS–STL; the Boeing 737 MAX 8 was the most common aircraft at 39% of departures; flights ran 74% full.
Departures
178
July 2026
Seats
28,908
both directions
Passengers
21,451
both directions
Load factor
74.2%
RPM ÷ ASM
Who flies AUS–STL?
Southwest Airlines was the only carrier to fly nonstop AUS–STL in July 2026 (178 departures).
- WN
178 departures · 28,908 seats
Share of departures100.0%74.2%
Load
What plane flies AUS–STL?
In July 2026, the Boeing 737 MAX 8 flew 39% of AUS–STL departures — more than any other aircraft type.
- Boeing 737 MAX 8
70 departures · 68.6% load
39.3% - Boeing 737-700
59 departures · 87.8% load
33.1% - Boeing 737-800
49 departures · 69.4% load
27.5%
How has AUS–STL traffic changed?
Nonstop AUS–STL departures rose from 153 in August 2025 to 178 in July 2026.
Monthly nonstop AUS–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
153 departures · 18,849 passengers
73.8%
Load
September 2025
146 departures · 18,378 passengers
75.5%
Load
October 2025
169 departures · 21,155 passengers
76.3%
Load
November 2025
171 departures · 20,636 passengers
73.1%
Load
December 2025
182 departures · 21,236 passengers
71.1%
Load
January 2026
124 departures · 12,575 passengers
61.7%
Load
February 2026
119 departures · 12,590 passengers
63.8%
Load
March 2026
173 departures · 20,700 passengers
73.9%
Load
April 2026
179 departures · 20,958 passengers
69.7%
Load
May 2026
186 departures · 24,424 passengers
77.5%
Load
June 2026
173 departures · 21,892 passengers
78.0%
Load
July 2026
178 departures · 21,451 passengers
74.2%
Load
By direction
Each direction is filed separately — they rarely match.
AUS → STL
75.0% full
89 departures · 11,026 passengers
STL → AUS
73.4% full
89 departures · 10,425 passengers
Nonstop AUS–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Austin (AUS) from St Louis (STL)?
AUS to STL is 722 miles (1,161 km / 627 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUS to STL?
A nonstop covers the 722-mile great-circle distance in roughly 2h 15m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUS–STL?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (39.3%), followed by the Boeing 737-700 (33.1%).
What mileage do I earn flying AUS–STL?
Distance-based programs credit off the 722-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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