SFO → STLSan Francisco to St Louis

live

Direct flights from San Francisco (SFO) to St Louis (STL): 12 nonstop departures observed each week across 2 airlines. The median arrival is on schedule. No cancellations were recorded across the 3 tracked flights. The nonstop covers 2,786 km, an estimated 4 hours 4 minutes in the air. Measured by Pro Flight Search from live flight boards at San Francisco and St Louis. Updated 10 October 2026 at 20:18 UTC.

SFO San Francisco smooth · +13
STL St Louis smooth · +0
2,786 km · ~4h 04m est.
dep bank 11:45–13:0512x weekly
Under pressure · 2 airlines · 12x weekly · nonstop
55 / 100

route health from live SFO and STL delay boards

Median arrival delay is −1 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−1 minacross the last 3 operated legs
Flight time~4h 04mestimated from route distance
Weekly departures12x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest AirlinesUnited 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 AirlinesWN

Flights WN3789 11:45 Tu We · WN3257 13:05 Mo Th Fr

United AirlinesUA

Flights UA1905 12:45 daily

History

operated legs · board outcomes
10-09UA1905arrived−1
10-09WN3257dep +25 → arr+72
10-08NZ9707departed−4

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
SFOSan Francisco +13 min smooth ⛅ mostly cloudy · WSW 12 kt Full SFO delay board →
STLSt Louis +0 min smooth 🌤 overcast · ESE 5 kt Full STL delay board →

Weather lens

Current conditions put the pressure at SFO: 58% odds of a 15+ minute delay and around +25 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 Francisco to St Louis route actually runs

Pro Flight Search records official board updates for nonstop SFO 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 Francisco (SFO) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SFO-STL
How we measure this →

SFO to STL questions

Is SFO–STL running on time right now?

Some delays possible. The departure side at SFO is the weaker end, route health score 55/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SFO–STL?

Operators schedule morning departures around 11:45 from SFO. 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 SFO to STL?

Great-circle distance is 2,786 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 227–269 min gate-to-gate on this route.

How often does SFO–STL fly?

2 carriers operate this route, around 12 flights a week between them. Compare carrier days and times in the airline list above.