WN4272 San DiegoSAN · 17:30 DenverDEN · 20:15
WN4272 by Southwest Airlines flies from San Diego (SAN) to Denver (DEN) for the Thu, Oct 22 departure.
Same number through SAN → SMF → DEN
departs SAN · 1 min late
board checked 12m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SAN 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Diego to Denver flights today
same route · Southwest AirlinesIf WN4272 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Denver on the same day, with scheduled departure times in SAN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4272 actually runs
Pro Flight Search has tracked every published board update for WN4272 across the SAN and DEN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +9 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4272 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Aircraft
Recent tails: N949WN, N470WN, N221WN.
Board clocks recorded as SAN and DEN published them.
Planning around WN4272? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4272 San Diego to Denver on-time performance, measured from the SAN and DEN airport boards.
https://proflightsearch.com/flight/WN4272
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