ATL → PHX Southwest Airlines

Southwest Airlines · Atlanta, GA to Phoenix, AZ · 633 flights, 2025-07-01 to 2026-06-30 · aggregated across 36 flight numbers

This route runs much more reliably at some times of day than others — 93% on-time departing 6–9am vs. 49% departing 6–9pm.
On-time arrival
73%
Median delay
-1 min
90th percentile
+46 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on ATL → PHX (633 flights, 2025-07-01 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +46 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time46073%
16-30 min7011%
31-60 min579%
61-120 min356%
2+ hrs71%

Performance by month

MonthFlightsOn-timeAvg delay
2025-076667%+13 min
2025-086177%+2 min
2025-095980%+4 min
2025-105372%+9 min
2025-115478%+8 min
2025-125876%+4 min
2026-013491%-7 min
2026-022889%-5 min
2026-035772%+4 min
2026-046068%+13 min
2026-056261%+19 min
2026-063759%+18 min

Performance by day of week

DayFlightsOn-time
Mon9277%
Tue8978%
Wed8867%
Thu9067%
Fri8971%
Sat8381%
Sun9872%

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