STL → AUSSt Louis to Austin

live

Direct flights from St Louis (STL) to Austin (AUS): 24 nonstop departures observed each week across 1 airline. 85% of the last 20 tracked flights arrived within 15 minutes of schedule. The median arrival is 4 minutes early. No cancellations were recorded across the 22 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 3 November 2026 at 04:22 UTC.

Today, STL → AUS

Mon 2 Nov · local times
  1. 08:25 WN4115Southwest Airlines Left 08:39 +14 Landed 10:19 −16
  2. 14:45 WN4913Southwest Left 15:48 +63 Landed 17:25 +35
  3. 21:50 WN1429Southwest On scheduleT2 AUS est. 00:17 +22sched 23:55

Checked STL board 22:18 · AUS board 22:22

STL St Louis heavy · +31
AUS Austin smooth · +0
1,162 km · ~1h 59m est.
dep bank 08:25–21:5024x weekly
Runs reliable · 1 airline · 24x weekly · nonstop
85% on time

of the last 20 tracked STL → AUS flights arrived within 15 minutes

Median arrival delay is −4 min. 0 of 22 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−4 minacross the last 20 arrivals
Flight time~1h 59mestimated from route distance
Weekly departures24x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 22

The week

scheduled departures · origin local time
06121824
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 days
Southwest AirlinesWN85% on time

Flights WN4115 08:25 Mo Su · WN4458 varies Mo Tu We Th Fr · WN987 11:50 Mo Th Fr · WN3173 12:50 Mo Th Fr

History

operated legs · board outcomes
11-02WN4115dep +14 → arr−16
11-02WN4913dep +63 → arr+35
11-011I255departed−5
11-01WN1429dep +21 → arr−4
11-01WN4115dep +30 → arr−4
11-01WN4913dep +24 → arr−7
10-31WN2679dep +14 → arr+0
10-30WN3173dep +15 → arr−5
10-30WN4038dep +18 → arr−4
10-30WN4458dep +19 → arr+14
10-30WN987arrived+5
10-29CYO448departed+33
10-29WN3173dep +12 → arr−13
10-29WN4038dep +22 → arr+7
10-29WN4458dep +28 → arr+21
10-29WN987arrived+3
10-28WN2522dep +11 → arr−12
10-28WN4038dep +3 → arr−21
10-28WN4458dep +6 → arr−18
10-27WN2522dep +4 → arr−17
10-27WN4038dep +3 → arr−18
10-27WN4458dep +79 → arr+62

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +31 min heavy ⛅ overcast · SSE 11 kt Full STL delay board →
AUSAustin +0 min smooth 🌤 mostly cloudy · S 7 kt Full AUS delay board →

Weather lens

Conditions are tightest at STL: a 40% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +10 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

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
https://proflightsearch.com/search-flights/STL-AUS
How we measure this →

STL to AUS questions

Is STL–AUS running on time right now?

Mostly on schedule. The departure side at STL is the weaker end, route health score 75/100. 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 21:50 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 24 flights a week (sun, mon, tue, wed, thu, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.