WN4082 St LouisSTL · 12:00 San FranciscoSFO · 14:10
WN4082 by Southwest Airlines flies from St Louis (STL) to San Francisco (SFO) for the Mon, Sep 21 departure.
en route from STL to SFO
board checked 11m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 13:09 · typical taxi-out at STL ≈ 5 min. No receiver coverage over open ocean.
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 St Louis to San Francisco flights today
same route · Southwest AirlinesIf WN4082 is cancelled, this is the other Southwest Airlines nonstop flight from St Louis to San Francisco on the same day, with scheduled departure times in STL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4082 actually runs
Pro Flight Search has tracked every published board update for WN4082 across the STL and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~72 min late. Based on 4 confirmed landings · 0/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN4082 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: N8314L, N8630B, N8326F.
Board clocks recorded as STL and SFO published them.
Planning around WN4082? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4082 St Louis to San Francisco on-time performance, measured from the STL and SFO airport boards.
https://proflightsearch.com/flight/WN4082