F99401 PhoenixPHX ChicagoORD
F99401 by Frontier Airlines flies from Phoenix (PHX) to Chicago (ORD).
scheduled from PHX
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHX and ORD 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 Phoenix to Chicago flights
same route · Frontier AirlinesIf F99401 is cancelled, this is the other Frontier Airlines nonstop flight from Phoenix to Chicago, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How F99401 actually runs
Pro Flight Search has tracked every published board update for F99401 across the PHX and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at PHX and ORD.
The verdict above is that record speaking, so it reflects how F99401 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around F99401? 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 — F99401 Phoenix to Chicago on-time performance, measured from the PHX and ORD airport boards.
https://proflightsearch.com/flight/F99401
.