Historical on-time performance
Colorado Springs to Chicago
Flights on COS–ORD arrive on time 73% of the time over the last 12 months.
based on 971 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time78%Medianon timep9045 minCancel0.6%Flights154
- SkyWest AirlinesOn-time72%Medianon timep9080 minCancel1.3%Flights817
Why flights run late
Delay causes
- Airline51%
- Weather4%
- Air traffic (NAS)19%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline8%
- Weather92%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 COS → 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 — 85% on time.
- Mornings85% on time · p90 20 min · 798 flights
- Middays78% on time · p90 60 min · 1,440 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.
- Saturdays85% on time · p90 25 min · 322 flights
- Thursdays82% on time · p90 35 min · 318 flights
- Wednesdays81% on time · p90 55 min · 314 flights
- Sundays80% on time · p90 55 min · 323 flights
- Mondays79% on time · p90 60 min · 320 flights
- Tuesdays79% on time · p90 50 min · 319 flights
- Fridays75% on time · p90 45 min · 323 flights
Keep exploring