WN4521 AlbuquerqueABQ · 20:10 San DiegoSAN · 21:00
WN4521 by Southwest Airlines flies from Albuquerque (ABQ) to San Diego (SAN).
scheduled from ABQ
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ABQ and SAN 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 Albuquerque to San Diego flights today
same route · Southwest AirlinesIf WN4521 is cancelled, these are the other Southwest Airlines nonstop flights from Albuquerque to San Diego on the same day, with scheduled departure times in ABQ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4521 actually runs
Pro Flight Search has tracked every published board update for WN4521 across the ABQ and SAN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +78 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4521 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: N453WN.
Board clocks recorded as ABQ and SAN published them.
Planning around WN4521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4521 Albuquerque to San Diego on-time performance, measured from the ABQ and SAN airport boards.
https://proflightsearch.com/flight/WN4521
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