WN3426 ChicagoMDW · 22:55 Las VegasLAS · 00:55
WN3426 by Southwest Airlines flies from Chicago (MDW) to Las Vegas (LAS).
scheduled from MDW
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at MDW and LAS 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. 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 Chicago to Las Vegas flights today
same route · Southwest AirlinesIf WN3426 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Las Vegas 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 WN3426 actually runs
Pro Flight Search has tracked every published board update for WN3426 across the MDW and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +48 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN3426 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as MDW and LAS published them.
Planning around WN3426? 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 — WN3426 Chicago to Las Vegas on-time performance, measured from the MDW and LAS airport boards.
https://proflightsearch.com/flight/WN3426
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