F91850 San FranciscoSFO · 15:38 Las VegasLAS · 17:20
F91850 by Frontier Airlines flies from San Francisco (SFO) to Las Vegas (LAS).
scheduled from SFO
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). 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 F91850 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 F91850 actually runs
Pro Flight Search has tracked every published board update for F91850 across the SFO and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +4 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how F91850 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 F91850? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — F91850 San Francisco to Las Vegas on-time performance, measured from the SFO and LAS airport boards.
https://proflightsearch.com/flight/F91850
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