WN3946 San AntonioSAT · 04:25 WashingtonDCA · 12:00
WN3946 by Southwest Airlines flies from San Antonio (SAT) to Washington (DCA) for the Tue, Sep 22 departure.
Same number through SAT → MDW → DCA
departs SAT · on schedule
board checked 27m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAT and DCA 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 Washington flights today
same route · Southwest AirlinesIf WN3946 is cancelled, these are the other Southwest Airlines nonstop flights from San Antonio to Washington 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 WN3946 actually runs
Pro Flight Search has tracked every published board update for WN3946 across the SAT and DCA boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min late. Based on 4 confirmed landings · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN3946 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SAT and DCA published them.
Planning around WN3946? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN3946 San Antonio to Washington on-time performance, measured from the SAT and DCA airport boards.
https://proflightsearch.com/flight/WN3946
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