SAT → STLSan Antonio to St Louis

live

Direct flights from San Antonio (SAT) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. 100% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. No cancellations were recorded across the 8 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 10 September 2026 at 11:18 UTC.

SAT San Antonio smooth · +0
STL St Louis smooth · +0
1,266 km · ~2h 07m est.
dep bank 07:10–15:307x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 8 operated SAT → STL flights arrived within 15 minutes

Median arrival delay is −9 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−9 minacross the last 8 operated legs
Flight time~2h 07mestimated from route distance
Weekly departures7x1 direct airline on the leg

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 AirlinesWN100% on time

Flights WN1430 07:10 Tu We Su · WN2209 07:20 Mo Th Fr Sa · WN2340 varies Su · WN3001 15:30 Mo Th Fr

History

operated legs · board outcomes
09-09WN1430arrived−13
09-09WN3509arrived−20
09-08WN1430arrived−14
09-08WN3509arrived+4
09-07WN2209arrived−21
09-07WN3001dep +16 → arr+11
09-06WN2340arrived−9
09-05WN2209arrived+1

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
SATSan Antonio +0 min smooth 🌤 scattered clouds · S 4 kt Full SAT delay board →
STLSt Louis +0 min smooth 🌤 mostly cloudy · SSE 5 kt Full STL delay board →

Weather lens

Current conditions put the pressure at STL: 42% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

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

SAT to STL questions

Is SAT–STL running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. 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 07:10 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 13 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.