DSM → PHX Southwest Airlines

Southwest Airlines · Des Moines, IA to Phoenix, AZ · 166 flights, 2025-10-02 to 2026-06-01 · aggregated across 13 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 6–9am vs. 59% departing 3–6pm.
On-time arrival
75%
Median delay
+1 min
90th percentile
+51 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on DSM → PHX (166 flights, 2025-10-02 to 2026-06-01), 75% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +51 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time12375%
16-30 min159%
31-60 min138%
61-120 min85%
2+ hrs53%

Performance by month

MonthFlightsOn-timeAvg delay
2025-103070%+11 min
2025-111968%+27 min
2025-121759%+30 min
2026-011385%-1 min
2026-021989%-2 min
2026-032889%+0 min
2026-041968%+19 min
2026-051867%+8 min
2026-061100%+3 min

Performance by day of week

DayFlightsOn-time
Mon2864%
Tue1292%
Wed9100%
Thu2677%
Fri3171%
Sat2774%
Sun3174%

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