Southwest Airlines PHX to DSM on-time performance
Southwest Airlines nonstop flights from Phoenix to Des Moines · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
0.6%
1 flights
Avg arrival delay
13 min
42 min when late
Rank on route
#4 of 5
route average 77% on time
Key facts
- Southwest Airlines flights on PHX to DSM arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 5% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)49%
- Late-arriving aircraft41%
- Air traffic control & airport congestion10%
- Extreme weather0%
- Security0%
Other airlines on PHX to DSM
- American Airlines77% on time · 15 min avg delay
- SkyWest Airlines79% on time · 11 min avg delay
- Envoy Air79% on time · 11 min avg delay
- Frontier Airlines71% on time · 10 min avg delay
Full PHX to DSM comparison →
Southwest Airlines on-time record across all routes →
166 Southwest Airlines flights tracked on this route; 1 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.