WN878 BaltimoreBWI NashvilleBNA
WN878 by Southwest Airlines flies from Baltimore (BWI) to Nashville (BNA).
Same number through BWI → MYR → BNA
scheduled from BWI
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BWI and BNA 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 Nashville flights today
same route · Southwest AirlinesIf WN878 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Nashville 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 WN878 actually runs
Pro Flight Search has tracked every published board update for WN878 across the BWI and BNA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 11.7/100. Based on airport operations, weather, and cached board history at BWI and BNA.
The verdict above is that record speaking, so it reflects how WN878 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN878? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN878 Baltimore to Nashville on-time performance, measured from the BWI and BNA airport boards.
https://proflightsearch.com/flight/WN878
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