SJC → PHX Southwest Airlines

Southwest Airlines · San Jose, CA to Phoenix, AZ · 1,879 flights, 2025-07-01 to 2026-06-30 · aggregated across 86 flight numbers

This route runs much more reliably at some times of day than others — 96% on-time departing 6–9am vs. 58% departing 9pm–12am.
On-time arrival
79%
Median delay
-4 min
90th percentile
+37 min
Cancellation rate
1%

How on-time is Southwest Airlines from SJC to PHX?

Across every Southwest Airlines flight number on SJC → PHX (1,879 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +37 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,47879%
16-30 min1669%
31-60 min1377%
61-120 min643%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0715479%+5 min
2025-0813383%+2 min
2025-0913281%+6 min
2025-1015773%+9 min
2025-1116378%+15 min
2025-1216880%+4 min
2026-0113888%-3 min
2026-0214686%0 min
2026-0317879%+4 min
2026-0417582%+4 min
2026-0517979%+6 min
2026-0614364%+15 min

Performance by day of week

DayFlightsOn-time
Mon28577%
Tue26685%
Wed25581%
Thu28074%
Fri28280%
Sat21186%
Sun28774%

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