Historical on-time performance
Colorado Springs to Denver
Flights on COS–DEN arrive on time 76% of the time over the last 12 months.
based on 5,040 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time78%Medianon timep9045 minCancel1.8%Flights3,259
- Southwest AirlinesOn-time75%Medianon timep9045 minCancel0.5%Flights1,155
- United AirlinesOn-time69%Medianon timep9070 minCancel1.4%Flights626
Why flights run late
Delay causes
- Airline30%
- Weather8%
- Air traffic (NAS)35%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline8%
- Weather40%
- Air traffic (NAS)52%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 75 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 → DEN
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 65% to 84% on time.
- Mornings84% on time · p90 25 min · 6,062 flights
- Middays83% on time · p90 30 min · 4,115 flights
- Overnights70% on time · p90 75 min · 117 flights · limited
- Afternoons68% on time · p90 70 min · 1,909 flights
- Evenings65% on time · p90 80 min · 2,661 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 80% on time.
- Tuesdays80% on time · p90 35 min · 2,052 flights
- Wednesdays79% on time · p90 45 min · 2,077 flights
- Mondays78% on time · p90 40 min · 2,118 flights
- Saturdays78% on time · p90 45 min · 2,137 flights
- Sundays78% on time · p90 40 min · 2,223 flights
- Thursdays77% on time · p90 50 min · 2,124 flights
- Fridays74% on time · p90 50 min · 2,133 flights
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