F91357 Las VegasLAS · 15:20 OntarioONT · 16:22
F91357 by Frontier Airlines flies from Las Vegas (LAS) to Ontario (ONT) for the Sun, Sep 6 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
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at LAS and ONT 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Las Vegas to Ontario flights today
same route · Frontier AirlinesIf F91357 is cancelled, these are the other Frontier Airlines nonstop flights from Las Vegas to Ontario on the same day, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How F91357 actually runs
Pro Flight Search has tracked every published board update for F91357 across the LAS and ONT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +4 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how F91357 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: N644FR.
Board clocks recorded as LAS and ONT published them.
Planning around F91357? 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 — F91357 Las Vegas to Ontario on-time performance, measured from the LAS and ONT airport boards.
https://proflightsearch.com/flight/F91357
.