Historical on-time performance
Cheyenne to Denver
90 miData through May 2026Source: US DOT · BTS
Flights on CYS–DEN arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 740 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time80%Medianon timep9035 minCancel1.5%Flights740
Why flights run late
Delay causes
- Airline36%
- Weather11%
- Air traffic (NAS)12%
- Late aircraft41%
- 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 11 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 CYS → 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 76% to 85% on time.
- Afternoons85% on time · p90 30 min · 544 flights
- Mornings83% on time · p90 35 min · 995 flights
- Middays76% on time · p90 50 min · 385 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Tuesdays86% on time · p90 25 min · 285 flights
- Sundays85% on time · p90 30 min · 288 flights
- Wednesdays82% on time · p90 55 min · 285 flights
- Mondays82% on time · p90 25 min · 285 flights
- Thursdays81% on time · p90 60 min · 283 flights
- Saturdays81% on time · p90 25 min · 212 flights
- Fridays77% on time · p90 80 min · 286 flights
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