Historical on-time performance
Chicago to Columbia
315 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–COU arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled3.2%of scheduled flights
based on 1,227 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time70%Medianon timep9055 minCancel2.9%Flights1,014
- SkyWest AirlinesOn-time57%Medianon timep90110 minCancel4.7%Flights213
Why flights run late
Delay causes
- Airline18%
- Weather13%
- Air traffic (NAS)20%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → COU
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 60% to 84% on time.
- Mornings84% on time · p90 25 min · 199 flights · limited
- Middays80% on time · p90 45 min · 428 flights
- Afternoons72% on time · p90 45 min · 379 flights
- Evenings68% on time · p90 60 min · 844 flights
- Overnights60% on time · p90 80 min · 406 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 77% on time.
- Tuesdays77% on time · p90 50 min · 308 flights
- Saturdays75% on time · p90 35 min · 305 flights
- Mondays74% on time · p90 55 min · 337 flights
- Fridays71% on time · p90 55 min · 329 flights
- Wednesdays68% on time · p90 65 min · 317 flights
- Sundays67% on time · p90 70 min · 335 flights
- Thursdays66% on time · p90 70 min · 325 flights
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