WN388 SeattleSEA Las VegasLAS
WN388 by Southwest Airlines flies from Seattle (SEA) to Las Vegas (LAS).
scheduled from SEA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SEA 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 Seattle to Las Vegas flights today
same route · Southwest AirlinesIf WN388 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to Las Vegas on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN388 actually runs
Pro Flight Search has tracked every published board update for WN388 across the SEA and LAS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 18.4/100. Based on airport operations, weather, and cached board history at SEA and LAS.
The verdict above is that record speaking, so it reflects how WN388 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN388? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN388 Seattle to Las Vegas on-time performance, measured from the SEA and LAS airport boards.
https://proflightsearch.com/flight/WN388
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