Air New ZealandNZ
Flights NZ9700 11:04 Mo We Th Fr Su
live
Direct flights from St Louis (STL) to San Francisco (SFO): 22 nonstop departures observed each week across 4 airlines. 0% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 66 minutes late. No cancellations were recorded across the 6 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 St Louis and San Francisco. Updated 13 September 2026 at 15:18 UTC.
STL
St Louis
smooth · +11
SFO
San Francisco
smooth · +0
2,786 km · ~4h 04m est.
Runs rough · 4 airlines · 22x weekly · nonstop
0% on time
of the last 6 operated STL → SFO flights arrived within 15 minutes
Median arrival delay is +66 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+66 minacross the last 6 operated legs
Flight time~4h 04mestimated from route distance
Weekly departures22x4 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air New ZealandAsiana AirlinesSouthwest 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 daysHistory
operated legs · board outcomes09-11NZ9700arrived+66
09-11OZ6344arrived+66
Actual 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 SFO: 58% odds of a 15+ minute delay and around +23 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 San Francisco route actually runs
Pro Flight Search records official board updates for nonstop STL to SFO 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 San Francisco (SFO) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STL-SFO
STL to SFO questions
Is STL–SFO running on time right now?
Some delays possible. The departure side at STL is the weaker end, route health score 57/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–SFO?
Operators schedule morning departures around 08:25 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SFO delay card to confirm conditions when you'd arrive.
How long is the flight from STL to SFO?
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 STL–SFO fly?
4 carriers operate this route, around 26 flights a week between them. Compare carrier days and times in the airline list above.
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