WN521 BaltimoreBWI ColumbusCMH
WN521 by Southwest Airlines flies from Baltimore (BWI) to Columbus (CMH).
scheduled from BWI
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by CMH (Columbus), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Columbus flights today
same route · Southwest AirlinesIf WN521 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Columbus 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 WN521 actually runs
Pro Flight Search has tracked every published board update for WN521 across the BWI and CMH boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at BWI and CMH.
The verdict above is that record speaking, so it reflects how WN521 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — WN521 Baltimore to Columbus on-time performance, measured from the BWI and CMH airport boards.
https://proflightsearch.com/flight/WN521
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