Historical on-time performance
Denver to Casper
230 miData through May 2026Source: US DOT · BTS
Flights on DEN–CPR arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 2,543 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time76%Medianon timep9050 minCancel1.1%Flights2,543
Why flights run late
Delay causes
- Airline36%
- Weather6%
- Air traffic (NAS)19%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather82%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 28 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 → CPR
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 68% to 83% on time.
- Mornings83% on time · p90 30 min · 763 flights
- Middays80% on time · p90 35 min · 1,675 flights
- Overnights77% on time · p90 50 min · 749 flights
- Afternoons73% on time · p90 50 min · 849 flights
- Evenings68% on time · p90 80 min · 1,303 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 79% on time.
- Tuesdays79% on time · p90 40 min · 760 flights
- Wednesdays79% on time · p90 50 min · 756 flights
- Mondays77% on time · p90 45 min · 763 flights
- Saturdays77% on time · p90 40 min · 757 flights
- Sundays75% on time · p90 55 min · 774 flights
- Thursdays75% on time · p90 65 min · 761 flights
- Fridays72% on time · p90 65 min · 770 flights
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