PHX → SFO United Airlines

United Airlines · Phoenix, AZ to San Francisco, CA · 1,583 flights, 2025-07-01 to 2026-06-30 · aggregated across 43 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 3–6am vs. 48% departing 12–3pm.
On-time arrival
72%
Median delay
-4 min
90th percentile
+56 min
Cancellation rate
1%

How on-time is United Airlines from PHX to SFO?

Across every United Airlines flight number on PHX → SFO (1,583 flights, 2025-07-01 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +56 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,14172%
16-30 min1389%
31-60 min1499%
61-120 min986%
2+ hrs483%

Performance by month

MonthFlightsOn-timeAvg delay
2025-079277%+6 min
2025-089380%+10 min
2025-0911085%+5 min
2025-1012777%+7 min
2025-1113080%+8 min
2025-1215285%0 min
2026-0112183%+3 min
2026-0212085%+1 min
2026-0318388%-7 min
2026-0417554%+27 min
2026-0515344%+32 min
2026-0611838%+30 min

Performance by day of week

DayFlightsOn-time
Mon23162%
Tue20583%
Wed22474%
Thu23367%
Fri23874%
Sat21481%
Sun22970%

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