WN4209 ChicagoMDW · 19:40 AtlantaATL · 23:46
WN4209 by Southwest Airlines flies from Chicago (MDW) to Atlanta (ATL).
scheduled from MDW
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MDW and ATL 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 Atlanta flights today
same route · Southwest AirlinesIf WN4209 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Atlanta 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 WN4209 actually runs
Pro Flight Search has tracked every published board update for WN4209 across the MDW and ATL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~108 min) but landed a little late (~13 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4209 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: N8308K.
Board clocks recorded as MDW and ATL published them.
Planning around WN4209? 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 — WN4209 Chicago to Atlanta on-time performance, measured from the MDW and ATL airport boards.
https://proflightsearch.com/flight/WN4209
.