WN4371 SacramentoSMF · 18:55 DenverDEN · 20:50
WN4371 by Southwest Airlines flies from Sacramento (SMF) to Denver (DEN) for the Sat, Oct 17 departure.
Same number through SMF → PHX → DEN
landed at DEN · confirmed by live position
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SMF and DEN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Sacramento to Denver flights today
same route · Southwest AirlinesIf WN4371 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to Denver on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4371 actually runs
Pro Flight Search has tracked every published board update for WN4371 across the SMF and DEN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left a little late (~7 min) but landed about 20 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4371 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: N8710M, N225WN.
Board clocks recorded as SMF and DEN published them.
Planning around WN4371? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4371 Sacramento to Denver on-time performance, measured from the SMF and DEN airport boards.
https://proflightsearch.com/flight/WN4371
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