WN8516 San FranciscoSFO · 00:25 Las VegasLAS · 01:45
WN8516 by Southwest Airlines flies from San Francisco (SFO) to Las Vegas (LAS).
scheduled from SFO
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO 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 →
Tomorrow on this route
ForecastSan Francisco to Las Vegas with Southwest Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 0.2%0.8× usual
- Chance a departure leaves 60+ min late
- 11%1.1× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Las Vegas flights today
same route · Southwest AirlinesIf WN8516 is cancelled, these are the other Southwest Airlines nonstop flights from San Francisco to Las Vegas on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN8516 actually runs
Pro Flight Search has tracked every published board update for WN8516 across the SFO and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed +37 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN8516 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 SFO and LAS published them.
Planning around WN8516? 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 — WN8516 San Francisco to Las Vegas on-time performance, measured from the SFO and LAS airport boards.
https://proflightsearch.com/flight/WN8516
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