Historical on-time performance
Denver to Colorado Springs
Flights on DEN–COS arrive on time 74% of the time over the last 12 months.
based on 5,041 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.
- United AirlinesOn-time74%Medianon timep9060 minCancel1.0%Flights627
- SkyWest AirlinesOn-time74%Medianon timep9060 minCancel2.1%Flights3,259
- Southwest AirlinesOn-time72%Medianon timep9050 minCancel0.4%Flights1,155
Why flights run late
Delay causes
- Airline33%
- Weather8%
- Air traffic (NAS)18%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather47%
- Air traffic (NAS)47%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 78 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 DEN → COS
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 25 min · 2,457 flights
- Middays81% on time · p90 35 min · 3,110 flights
- Afternoons75% on time · p90 45 min · 2,757 flights
- Overnights70% on time · p90 60 min · 3,215 flights
- Evenings67% on time · p90 85 min · 3,331 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 79% on time.
- Tuesdays79% on time · p90 50 min · 2,053 flights
- Wednesdays78% on time · p90 45 min · 2,079 flights
- Mondays77% on time · p90 50 min · 2,117 flights
- Saturdays74% on time · p90 55 min · 2,140 flights
- Sundays74% on time · p90 55 min · 2,230 flights
- Thursdays72% on time · p90 50 min · 2,118 flights
- Fridays71% on time · p90 60 min · 2,133 flights
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