Historical on-time performance
Casper to Denver
230 miData through May 2026Source: US DOT · BTS
Flights on CPR–DEN arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.0%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-time79%Medianon timep9045 minCancel1.0%Flights2,543
Why flights run late
Delay causes
- Airline43%
- Weather9%
- Air traffic (NAS)21%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather84%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 25 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 CPR → 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 64% to 83% on time.
- Mornings83% on time · p90 30 min · 2,085 flights
- Middays81% on time · p90 35 min · 1,668 flights
- Evenings74% on time · p90 55 min · 823 flights
- Afternoons64% on time · p90 105 min · 759 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.
- Wednesdays81% on time · p90 40 min · 759 flights
- Tuesdays80% on time · p90 40 min · 760 flights
- Mondays80% on time · p90 40 min · 762 flights
- Thursdays79% on time · p90 45 min · 755 flights
- Sundays79% on time · p90 45 min · 765 flights
- Saturdays77% on time · p90 50 min · 768 flights
- Fridays73% on time · p90 60 min · 770 flights
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