F91599 JFK → DEN

Frontier Airlines · New York, NY to Denver, CO · 49 flights observed, 2025-10-08 to 2026-01-18 · 1,626 mi

This flight runs much more reliably at some times of day than others — 89% on-time departing 12–3pm vs. 53% departing 3–6pm.
On-time arrival
67%
Median delay
+3 min
90th percentile
+66 min
Cancellation rate
0%

How often is F91599 on time?

Across 49 flights on JFK → DEN from 2025-10-08 to 2026-01-18, F91599 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +66 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3367%
16-30 min510%
31-60 min510%
61-120 min48%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-101182%+107 min
2025-111560%+14 min
2025-121560%+27 min
2026-01875%+9 min

Performance by day of week

DayFlightsOn-time
Mon1155%
Tue3100%
Wed1275%
Thu4100%
Fri1164%
Sat450%
Sun450%

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