Southwest AirlinesWN85% on time
Flights WN3800 varies Mo Su · WN1225 06:25 Tu We · WN2634 07:20 Tu We · WN1451 07:40 Mo Th Fr
live
Direct flights from San Antonio (SAT) to St Louis (STL): 14 nonstop departures observed each week across 1 airline. 85% of the last 13 tracked flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. No cancellations were recorded across the 13 tracked flights. The nonstop covers 1,266 km, an estimated 2 hours 7 minutes in the air. Measured by Pro Flight Search from live flight boards at San Antonio and St Louis. Updated 2 November 2026 at 06:52 UTC.
Today, SAT → STL
Mon 2 Nov · local times- 01:30 WN3800SOUTHWEST On scheduleGate A12 · TA ·
Checked SAT board 00:52 · STL board 00:28
SAT
San Antonio
smooth · +0
STL
St Louis
busy · +21
1,266 km · ~2h 07m est.
Runs reliable · 1 airline · 14x weekly · nonstop
85% on time
of the last 13 tracked SAT → STL flights arrived within 15 minutes
Median arrival delay is −7 min. 0 of 13 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−7 minacross the last 13 arrivals
Flight time~2h 07mestimated from route distance
Weekly departures14x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 13
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
Conditions are tightest at STL: a 38% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +12 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the San Antonio to St Louis route actually runs
Pro Flight Search records official board updates for nonstop SAT to STL 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: San Antonio (SAT) to St Louis (STL) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SAT-STL
SAT to STL questions
Is SAT–STL running on time right now?
Mostly on schedule. The arrival side at STL is the weaker end, route health score 74/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SAT–STL?
Operators schedule morning departures around 06:25 and evening departures around 17:00 from SAT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.
How long is the flight from SAT to STL?
Great-circle distance is 1,266 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 119–139 min gate-to-gate on this route.
How often does SAT–STL fly?
Southwest Airlines runs the route with about 14 flights a week (sun, mon, tue, wed, thu, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.
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