F99871 San FranciscoSFO · 19:15 Las VegasLAS
F99871 by Frontier 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 →
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 · Frontier AirlinesIf F99871 is cancelled, these are the other Frontier 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 F99871 actually runs
Pro Flight Search has tracked every published board update for F99871 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 +94 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how F99871 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 F99871? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — F99871 San Francisco to Las Vegas on-time performance, measured from the SFO and LAS airport boards.
https://proflightsearch.com/flight/F99871
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