Historical on-time performance
Chicago to Des Moines
Flights on ORD–DSM arrive on time 68% of the time over the last 12 months.
based on 3,302 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.
- Envoy AirOn-time74%Medianon timep9050 minCancel2.2%Flights406
- United AirlinesOn-time72%Medianon timep9060 minCancel1.6%Flights951
- Republic AirwaysOn-time70%Medianon timep9065 minCancel4.8%Flights499
- SkyWest AirlinesOn-time64%Medianon timep9085 minCancel4.6%Flights1,172
- American AirlinesOn-time58%Medianon timep90120 minCancel5.1%Flights274
Why flights run late
Delay causes
- Airline28%
- Weather13%
- Air traffic (NAS)16%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline4%
- Weather79%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 116 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 ORD → DSM
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 61% to 82% on time.
- Middays82% on time · p90 30 min · 1,746 flights
- Mornings81% on time · p90 30 min · 1,586 flights
- Afternoons70% on time · p90 60 min · 1,517 flights
- Evenings68% on time · p90 70 min · 556 flights
- Overnights61% on time · p90 90 min · 1,976 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 77% on time.
- Tuesdays77% on time · p90 50 min · 1,059 flights
- Wednesdays75% on time · p90 45 min · 1,064 flights
- Saturdays73% on time · p90 50 min · 949 flights
- Thursdays71% on time · p90 55 min · 1,089 flights
- Mondays71% on time · p90 65 min · 1,094 flights
- Sundays70% on time · p90 65 min · 1,057 flights
- Fridays70% on time · p90 50 min · 1,072 flights
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