WN520 San AntonioSAT · 13:35 DenverDEN · 19:55
WN520 by Southwest Airlines flies from San Antonio (SAT) to Denver (DEN).
scheduled from SAT
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAT 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 San Antonio to Denver flights today
same route · Southwest AirlinesIf WN520 is cancelled, these are the other Southwest Airlines nonstop flights from San Antonio to Denver on the same day, with scheduled departure times in SAT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN520 actually runs
Pro Flight Search has tracked every published board update for WN520 across the SAT and DEN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed -5 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN520 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: N8326F.
Board clocks recorded as SAT and DEN published them.
Planning around WN520? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN520 San Antonio to Denver on-time performance, measured from the SAT and DEN airport boards.
https://proflightsearch.com/flight/WN520
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