F91815 AustinAUS · 13:25 DenverDEN · 14:46
F91815 by Frontier Airlines flies from Austin (AUS) to Denver (DEN) for the Mon, Sep 14 departure.
departs AUS · on schedule
board checked 1m ago · checking again in 45s
Where the minutes go
last 4 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
Measured, 90-day sampleConditions at AUS and DEN 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 Austin to Denver flights today
same route · Frontier AirlinesIf F91815 is cancelled, these are the other Frontier Airlines nonstop flights from Austin to Denver on the same day, with scheduled departure times in AUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How F91815 actually runs
Pro Flight Search has tracked every published board update for F91815 across the AUS and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~24 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how F91815 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: N615FR, N413FR, N384FR, N323FR.
Board clocks recorded as AUS and DEN published them.
Planning around F91815? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — F91815 Austin to Denver on-time performance, measured from the AUS and DEN airport boards.
https://proflightsearch.com/flight/F91815
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