WN4217 ChicagoMDW BuffaloBUF
WN4217 by Southwest Airlines flies from Chicago (MDW) to Buffalo (BUF).
scheduled from MDW
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MDW and BUF 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 Chicago to Buffalo flights today
same route · Southwest AirlinesIf WN4217 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Buffalo on the same day, with scheduled departure times in MDW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4217 actually runs
Pro Flight Search has tracked every published board update for WN4217 across the MDW and BUF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at MDW and BUF.
The verdict above is that record speaking, so it reflects how WN4217 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN4217? 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 — WN4217 Chicago to Buffalo on-time performance, measured from the MDW and BUF airport boards.
https://proflightsearch.com/flight/WN4217
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