Historical on-time performance
Chicago to Champaign
Flights on ORD–CMI arrive on time 68% of the time over the last 12 months.
based on 1,024 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time68%Medianon timep9065 minCancel3.3%Flights1,024
Why flights run late
Delay causes
- Airline14%
- Weather9%
- Air traffic (NAS)20%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather65%
- Air traffic (NAS)35%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 34 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 → CMI
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 63% to 80% on time.
- Afternoons80% on time · p90 30 min · 336 flights
- Mornings78% on time · p90 45 min · 417 flights
- Middays75% on time · p90 55 min · 421 flights
- Overnights66% on time · p90 60 min · 777 flights
- Evenings63% on time · p90 75 min · 446 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 77% on time.
- Tuesdays77% on time · p90 55 min · 261 flights
- Saturdays77% on time · p90 35 min · 340 flights
- Wednesdays71% on time · p90 60 min · 343 flights
- Sundays71% on time · p90 60 min · 368 flights
- Mondays70% on time · p90 50 min · 358 flights
- Fridays68% on time · p90 60 min · 362 flights
- Thursdays65% on time · p90 75 min · 365 flights
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