WN3970 TucsonTUS · 05:10 Las VegasLAS · 06:40
WN3970 by Southwest Airlines flies from Tucson (TUS) to Las Vegas (LAS) for the Sat, Sep 19 departure.
arrival expected at LAS · 3 min early
board checked 47m 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 TUS 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 Tucson to Las Vegas flights today
same route · Southwest AirlinesIf WN3970 is cancelled, these are the other Southwest Airlines nonstop flights from Tucson to Las Vegas on the same day, with scheduled departure times in TUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3970 actually runs
Pro Flight Search has tracked every published board update for WN3970 across the TUS 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 (~8 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN3970 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: N8831L, N8957Q.
Board clocks recorded as TUS and LAS published them.
Planning around WN3970? 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 — WN3970 Tucson to Las Vegas on-time performance, measured from the TUS and LAS airport boards.
https://proflightsearch.com/flight/WN3970
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