WN3919 SacramentoSMF · 05:30 Las VegasLAS · 07:00
WN3919 by Southwest Airlines flies from Sacramento (SMF) to Las Vegas (LAS) for the Fri, Oct 9 departure.
arrival expected at LAS · on schedule
board checked 36m ago · checking again in 45s
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SMF 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 Sacramento to Las Vegas flights today
same route · Southwest AirlinesIf WN3919 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to Las Vegas on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3919 actually runs
Pro Flight Search has tracked every published board update for WN3919 across the SMF and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left a little late (~12 min) but landed about 5 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN3919 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: N8741L, N8977G.
Board clocks recorded as SMF and LAS published them.
Planning around WN3919? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN3919 Sacramento to Las Vegas on-time performance, measured from the SMF and LAS airport boards.
https://proflightsearch.com/flight/WN3919
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