F91439 Salt Lake CitySLC · 18:27 PhoenixPHX · 19:16
F91439 by Frontier Airlines flies from Salt Lake City (SLC) to Phoenix (PHX) for the Tue, Oct 13 departure.
arrived at PHX · 27 min early
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SLC 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 Salt Lake City to Phoenix flights today
same route · Frontier AirlinesIf F91439 is cancelled, these are the other Frontier Airlines nonstop flights from Salt Lake City to Phoenix on the same day, with scheduled departure times in SLC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How F91439 actually runs
Pro Flight Search has tracked every published board update for F91439 across the SLC and PHX boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left heavily delayed (~57 min) but landed noticeably late (~34 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how F91439 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.
Board clocks recorded as SLC and PHX published them.
Planning around F91439? 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 — F91439 Salt Lake City to Phoenix on-time performance, measured from the SLC and PHX airport boards.
https://proflightsearch.com/flight/F91439
.