WN3789 Kansas CityMCI · 15:55 Las VegasLAS · 16:55
WN3789 by Southwest Airlines flies from Kansas City (MCI) to Las Vegas (LAS) for the Thu, Sep 17 departure.
arrival expected at LAS · on schedule
board checked 5m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MCI 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.
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 Kansas City to Las Vegas flights today
same route · Southwest AirlinesIf WN3789 is cancelled, these are the other Southwest Airlines nonstop flights from Kansas City to Las Vegas on the same day, with scheduled departure times in MCI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3789 actually runs
Pro Flight Search has tracked every published board update for WN3789 across the MCI and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed +21 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN3789 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 MCI and LAS published them.
Planning around WN3789? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN3789 Kansas City to Las Vegas on-time performance, measured from the MCI and LAS airport boards.
https://proflightsearch.com/flight/WN3789
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