F93439 DEN → SFO

Frontier Airlines · Denver, CO to San Francisco, CA · 264 flights observed, 2025-07-02 to 2026-06-30 · 967 mi

This flight's reliability varies a lot by day of week — 86% on-time on Saturdays vs. 40% on Wednesdays.
On-time arrival
69%
Median delay
0 min
90th percentile
+55 min
Cancellation rate
2%

How often is F93439 on time?

Across 264 flights on DEN → SFO from 2025-07-02 to 2026-06-30, F93439 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +55 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time17869%
16-30 min2510%
31-60 min3413%
61-120 min177%
2+ hrs42%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072133%+40 min
2025-082050%+17 min
2025-091759%+16 min
2025-101878%+15 min
2025-111974%-4 min
2025-122879%-2 min
2026-011776%+5 min
2026-021889%-7 min
2026-032886%-3 min
2026-042075%+5 min
2026-052273%+4 min
2026-063057%+16 min

Performance by day of week

DayFlightsOn-time
Mon5267%
Tue1782%
Wed2040%
Thu5072%
Fri5076%
Sat2286%
Sun4760%

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