F91375 DenverDEN · 06:45 PhoenixPHX · 07:40
F91375 by Frontier Airlines flies from Denver (DEN) to Phoenix (PHX).
scheduled from DEN
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and PHX 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 Denver to Phoenix flights today
same route · Frontier AirlinesIf F91375 is cancelled, these are the other Frontier Airlines nonstop flights from Denver to Phoenix on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How F91375 actually runs
Pro Flight Search has tracked every published board update for F91375 across the DEN and PHX boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left right on schedule but landed about 27 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how F91375 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: N232FR.
Board clocks recorded as DEN and PHX published them.
Planning around F91375? 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 — F91375 Denver to Phoenix on-time performance, measured from the DEN and PHX airport boards.
https://proflightsearch.com/flight/F91375
.