WN420 WashingtonDCA DallasDAL
WN420 by Southwest Airlines flies from Washington (DCA) to Dallas (DAL).
scheduled from DCA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DCA and DAL 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 Washington to Dallas flights today
same route · Southwest AirlinesIf WN420 is cancelled, these are the other Southwest Airlines nonstop flights from Washington to Dallas on the same day, with scheduled departure times in DCA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN420 actually runs
Pro Flight Search has tracked every published board update for WN420 across the DCA and DAL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 13.4/100. Based on airport operations, weather, and cached board history at DCA and DAL.
The verdict above is that record speaking, so it reflects how WN420 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN420? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN420 Washington to Dallas on-time performance, measured from the DCA and DAL airport boards.
https://proflightsearch.com/flight/WN420
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