Southwest AirlinesWN86% on time
Flights WN351 08:25 Su · WN4458 varies Mo Tu We Th Fr · WN987 11:50 Mo Th Fr · WN398 12:20 Su
live
Direct flights from St Louis (STL) to Austin (AUS): 7 nonstop departures observed each week across 1 airline. 86% of the last 7 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 7 tracked flights. The nonstop covers 1,162 km, an estimated 1 hour 59 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Austin. Updated 29 October 2026 at 03:22 UTC.
Today, STL → AUS
Wed 28 Oct · local times- 08:30 WN4458Southwest Airlines Left 08:36 +6 Landed 10:17 −18
- 14:25 WN2522Southwest Airlines Left 14:36 +11 Landed 16:18 −12
- 20:50 WN4038Southwest Airlines Left 20:53 AUS est. 22:38In the air · sched 22:55
Checked STL board 22:18 · AUS board 22:22
STL
St Louis
smooth · +3
AUS
Austin
smooth · +0
1,162 km · ~1h 59m est.
Runs reliable · 1 airline · 7x weekly · nonstop
86% on time
of the last 7 tracked STL → AUS flights arrived within 15 minutes
Median arrival delay is −17 min. 0 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−17 minacross the last 7 arrivals
Flight time~1h 59mestimated from route distance
Weekly departures7x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at STL: 40% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the St Louis to Austin route actually runs
Pro Flight Search records official board updates for nonstop STL to AUS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — St Louis (STL) to Austin (AUS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STL-AUS
STL to AUS questions
Is STL–AUS running on time right now?
Smooth skies ahead. The departure side at STL is the weaker end, route health score 96/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–AUS?
Operators schedule morning departures around 08:25 and evening departures around 21:45 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the AUS delay card to confirm conditions when you'd arrive.
How long is the flight from STL to AUS?
Great-circle distance is 1,162 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 112–130 min gate-to-gate on this route.
How often does STL–AUS fly?
Southwest Airlines runs the route with about 25 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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