Historical on-time performance
Des Moines to Phoenix
Flights on DSM–PHX arrive on time 81% of the time over the last 12 months.
based on 777 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- SkyWest AirlinesOn-time83%Medianon timep9020 minCancel1.3%Flights309
- American AirlinesOn-time80%Medianon timep9050 minCancel2.1%Flights438
- Southwest AirlinesOn-time70%Medianon timep9060 minCancel0.0%Flights30
Why flights run late
Delay causes
- Airline75%
- Weather6%
- Air traffic (NAS)4%
- Late aircraft15%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather92%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 13 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DSM → PHX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 81% to 86% on time.
- Mornings86% on time · p90 20 min · 1,054 flights
- Middays83% on time · p90 30 min · 204 flights
- Evenings81% on time · p90 35 min · 751 flights
- Afternoons81% on time · p90 35 min · 904 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 85% on time.
- Tuesdays85% on time · p90 30 min · 366 flights
- Fridays85% on time · p90 25 min · 445 flights
- Saturdays84% on time · p90 35 min · 385 flights
- Thursdays82% on time · p90 35 min · 449 flights
- Wednesdays82% on time · p90 30 min · 367 flights
- Mondays82% on time · p90 35 min · 444 flights
- Sundays80% on time · p90 45 min · 457 flights
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