PHX → ORD Frontier Airlines

Frontier Airlines · Phoenix, AZ to Chicago, IL · 203 flights, 2025-07-04 to 2026-05-04 · aggregated across 3 flight numbers

This route runs much more reliably at some times of day than others — 86% on-time departing 6–9am vs. 44% departing 6–9pm.
On-time arrival
69%
Median delay
-4 min
90th percentile
+97 min
Cancellation rate
4%

How on-time is Frontier Airlines from PHX to ORD?

Across every Frontier Airlines flight number on PHX → ORD (203 flights, 2025-07-04 to 2026-05-04), 69% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +97 min or later. 4% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time13369%
16-30 min179%
31-60 min158%
61-120 min168%
2+ hrs116%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07757%+40 min
2025-081250%+141 min
2025-091675%+12 min
2025-101776%+44 min
2025-111275%+7 min
2025-121771%+3 min
2026-012475%+27 min
2026-022673%-1 min
2026-033754%+53 min
2026-042080%+6 min
2026-054100%-14 min

Performance by day of week

DayFlightsOn-time
Mon4264%
Tue1070%
Wed771%
Thu3275%
Fri4267%
Sat2277%
Sun3768%

F9 flight numbers on PHX → ORD

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…