WN4423 ChicagoMDW · 14:25 Grand RapidsGRR · 16:15
WN4423 by Southwest Airlines flies from Chicago (MDW) to Grand Rapids (GRR).
scheduled from MDW
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MDW and GRR 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 Grand Rapids flights today
same route · Southwest AirlinesIf WN4423 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Grand Rapids 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 WN4423 actually runs
Pro Flight Search has tracked every published board update for WN4423 across the MDW and GRR boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +6 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4423 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: N288WN.
Board clocks recorded as MDW and GRR published them.
Planning around WN4423? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4423 Chicago to Grand Rapids on-time performance, measured from the MDW and GRR airport boards.
https://proflightsearch.com/flight/WN4423
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