WN4999 BaltimoreBWI DetroitDTW
WN4999 by Southwest Airlines flies from Baltimore (BWI) to Detroit (DTW).
scheduled from BWI
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BWI and DTW 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 Baltimore to Detroit flights today
same route · Southwest AirlinesIf WN4999 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Detroit on the same day, with scheduled departure times in BWI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4999 actually runs
Pro Flight Search has tracked every published board update for WN4999 across the BWI and DTW boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at BWI and DTW.
The verdict above is that record speaking, so it reflects how WN4999 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN4999? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4999 Baltimore to Detroit on-time performance, measured from the BWI and DTW airport boards.
https://proflightsearch.com/flight/WN4999
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