WN4638 Santa AnaSNA · 07:45 DenverDEN · 11:10
WN4638 by Southwest Airlines flies from Santa Ana (SNA) to Denver (DEN).
scheduled from SNA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SNA 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 Santa Ana to Denver flights today
same route · Southwest AirlinesIf WN4638 is cancelled, these are the other Southwest Airlines nonstop flights from Santa Ana to Denver on the same day, with scheduled departure times in SNA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4638 actually runs
Pro Flight Search has tracked every published board update for WN4638 across the SNA and DEN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left noticeably late (~38 min) but landed a little late (~11 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4638 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: N8736J, N8902Q.
Board clocks recorded as SNA and DEN published them.
Planning around WN4638? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4638 Santa Ana to Denver on-time performance, measured from the SNA and DEN airport boards.
https://proflightsearch.com/flight/WN4638
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