WN3564 San FranciscoSFO · 12:00 St LouisSTL · 15:15
WN3564 by Southwest Airlines flies from San Francisco (SFO) to St Louis (STL) for the Sun, Sep 13 departure.
departs SFO · on schedule
board checked 14m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to St Louis flights today
same route · Southwest AirlinesIf WN3564 is cancelled, this is the other Southwest Airlines nonstop flight from San Francisco to St Louis on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3564 actually runs
Pro Flight Search has tracked every published board update for WN3564 across the SFO and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~33 min late. Based on 3 confirmed landings · 1/3 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN3564 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N8559Q, N473WN, N286WN.
Board clocks recorded as SFO and STL published them.
Planning around WN3564? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — WN3564 San Francisco to St Louis on-time performance, measured from the SFO and STL airport boards.
https://proflightsearch.com/flight/WN3564
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