F91160 San FranciscoSFO · 18:02 OntarioONT · 19:36
F91160 by Frontier Airlines flies from San Francisco (SFO) to Ontario (ONT) for the Sun, Sep 20 departure.
landed at ONT · confirmed by live position
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
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 Ontario flights today
same route · Frontier AirlinesIf F91160 is cancelled, this is the other Frontier Airlines nonstop flight from San Francisco to Ontario 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 F91160 actually runs
Pro Flight Search has tracked every published board update for F91160 across the SFO and ONT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left noticeably late (~38 min) but landed about 16 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how F91160 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: N230FR, N337FR.
Board clocks recorded as SFO and ONT published them.
Planning around F91160? 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 — F91160 San Francisco to Ontario on-time performance, measured from the SFO and ONT airport boards.
https://proflightsearch.com/flight/F91160
.