LAX → PHX Southwest Airlines

Southwest Airlines · Los Angeles, CA to Phoenix, AZ · 2,017 flights, 2025-07-01 to 2026-06-30 · aggregated across 123 flight numbers

This route runs much more reliably at some times of day than others — 96% on-time departing 3–6am vs. 61% departing 9pm–12am.
On-time arrival
76%
Median delay
-2 min
90th percentile
+45 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on LAX → PHX (2,017 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +45 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,51276%
16-30 min1869%
31-60 min1688%
61-120 min955%
2+ hrs342%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0716078%+6 min
2025-0817385%+1 min
2025-0917379%+6 min
2025-1018173%+5 min
2025-1116372%+14 min
2025-1217478%+10 min
2026-0116191%-3 min
2026-0215475%+5 min
2026-0316973%+9 min
2026-0416574%+6 min
2026-0517169%+14 min
2026-0615161%+20 min

Performance by day of week

DayFlightsOn-time
Mon30875%
Tue28283%
Wed27580%
Thu30273%
Fri30172%
Sat22882%
Sun29968%

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