WN4390 DallasDAL BirminghamBHM
WN4390 by Southwest Airlines flies from Dallas (DAL) to Birmingham (BHM).
scheduled from DAL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DAL and BHM 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 Dallas to Birmingham flights today
same route · Southwest AirlinesIf WN4390 is cancelled, these are the other Southwest Airlines nonstop flights from Dallas to Birmingham on the same day, with scheduled departure times in DAL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4390 actually runs
Pro Flight Search has tracked every published board update for WN4390 across the DAL and BHM boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at DAL and BHM.
The verdict above is that record speaking, so it reflects how WN4390 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN4390? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4390 Dallas to Birmingham on-time performance, measured from the DAL and BHM airport boards.
https://proflightsearch.com/flight/WN4390
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