SFO → PHX Southwest Airlines

Southwest Airlines · San Francisco, CA to Phoenix, AZ · 1,079 flights, 2025-07-01 to 2026-06-30 · aggregated across 49 flight numbers

This route runs much more reliably at some times of day than others — 97% on-time departing 3–6am vs. 30% departing 6–9pm.
On-time arrival
62%
Median delay
+5 min
90th percentile
+67 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on SFO → PHX (1,079 flights, 2025-07-01 to 2026-06-30), 62% arrived within 15 minutes of schedule. Median arrival delay +5 min; the worst 10% ran +67 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time66562%
16-30 min14514%
31-60 min13913%
61-120 min888%
2+ hrs363%

Performance by month

MonthFlightsOn-timeAvg delay
2025-078865%+15 min
2025-089274%+12 min
2025-099064%+10 min
2025-108467%+22 min
2025-118764%+20 min
2025-129356%+32 min
2026-019584%+5 min
2026-028471%+11 min
2026-039367%+17 min
2026-048947%+25 min
2026-059238%+33 min
2026-068645%+27 min

Performance by day of week

DayFlightsOn-time
Mon15655%
Tue15473%
Wed15167%
Thu15455%
Fri15359%
Sat14866%
Sun15759%

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