WN4854 Las VegasLAS · 20:50 BoiseBOI · 23:40
WN4854 by Southwest Airlines flies from Las Vegas (LAS) to Boise (BOI) for the Mon, Sep 14 departure.
departs LAS · on schedule
board checked 24m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LAS and BOI 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 Las Vegas to Boise flights today
same route · Southwest AirlinesIf WN4854 is cancelled, these are the other Southwest Airlines nonstop flights from Las Vegas to Boise on the same day, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4854 actually runs
Pro Flight Search has tracked every published board update for WN4854 across the LAS and BOI boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed -9 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4854 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: N8536Z, N8554X.
Board clocks recorded as LAS and BOI published them.
Planning around WN4854? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4854 Las Vegas to Boise on-time performance, measured from the LAS and BOI airport boards.
https://proflightsearch.com/flight/WN4854
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