WN8631 WashingtonIAD · 10:00 BaltimoreBWI · 10:59
WN8631 by Southwest Airlines flies from Washington (IAD) to Baltimore (BWI).
scheduled from IAD
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IAD and BWI 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 Baltimore flights
same route · Southwest AirlinesIf WN8631 is cancelled, these are the other Southwest Airlines nonstop flights from Washington to Baltimore, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN8631 actually runs
Pro Flight Search has tracked every published board update for WN8631 across the IAD and BWI boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left noticeably late (~25 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN8631 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: N470WN, N7877H.
Board clocks recorded as IAD and BWI published them.
Planning around WN8631? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN8631 Washington to Baltimore on-time performance, measured from the IAD and BWI airport boards.
https://proflightsearch.com/flight/WN8631
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