F91735 MDW → PHX

Frontier Airlines · Chicago, IL to Phoenix, AZ · 116 flights observed, 2025-07-03 to 2026-05-04 · 1,444 mi

This flight's scheduled flight time has grown by 16 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.
On-time arrival
77%
Median delay
-4 min
90th percentile
+49 min
Cancellation rate
2%

How often is F91735 on time?

Across 116 flights on MDW → PHX from 2025-07-03 to 2026-05-04, F91735 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +49 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8877%
16-30 min65%
31-60 min109%
61-120 min33%
2+ hrs76%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07944%+18 min
2025-089100%-3 min
2025-098100%-5 min
2025-101267%+7 min
2025-111486%+8 min
2025-12967%+15 min
2026-01771%+175 min
2026-021385%+4 min
2026-032186%-3 min
2026-04956%+78 min
2026-05367%+285 min

Performance by day of week

DayFlightsOn-time
Mon2080%
Tue333%
Wed10%
Thu3278%
Fri1669%
Sat7100%
Sun3580%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…