Historical on-time performance
Des Moines to Chicago
Flights on DSM–ORD arrive on time 69% of the time over the last 12 months.
based on 3,299 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.
- American AirlinesOn-time79%Medianon timep9035 minCancel5.8%Flights275
- Envoy AirOn-time75%Medianon timep9045 minCancel2.2%Flights406
- United AirlinesOn-time72%Medianon timep9045 minCancel1.7%Flights951
- Republic AirwaysOn-time71%Medianon timep9065 minCancel4.4%Flights497
- SkyWest AirlinesOn-time63%Medianon timep90100 minCancel5.6%Flights1,170
Why flights run late
Delay causes
- Airline33%
- Weather13%
- Air traffic (NAS)24%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather78%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 128 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 → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 82% on time.
- Mornings82% on time · p90 25 min · 2,697 flights
- Middays77% on time · p90 40 min · 1,811 flights
- Afternoons75% on time · p90 45 min · 1,424 flights
- Evenings62% on time · p90 75 min · 1,383 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 78% on time.
- Tuesdays78% on time · p90 45 min · 1,062 flights
- Thursdays78% on time · p90 40 min · 1,085 flights
- Saturdays78% on time · p90 40 min · 945 flights
- Wednesdays77% on time · p90 45 min · 1,054 flights
- Mondays75% on time · p90 45 min · 1,098 flights
- Sundays74% on time · p90 50 min · 1,038 flights
- Fridays72% on time · p90 50 min · 1,096 flights
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