Historical on-time performance
Gillette to Denver
313 miData through May 2026Source: US DOT · BTS
Flights on GCC–DEN arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 667 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time82%Medianon timep9045 minCancel0.7%Flights667
Why flights run late
Delay causes
- Airline62%
- Weather5%
- Air traffic (NAS)14%
- Late aircraft19%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 GCC → 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 78% to 85% on time.
- Mornings85% on time · p90 25 min · 1,042 flights
- Middays81% on time · p90 30 min · 115 flights · limited
- Afternoons78% on time · p90 65 min · 905 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 85% on time.
- Wednesdays85% on time · p90 30 min · 303 flights
- Tuesdays85% on time · p90 30 min · 281 flights
- Saturdays82% on time · p90 35 min · 309 flights
- Mondays81% on time · p90 35 min · 302 flights
- Thursdays80% on time · p90 65 min · 284 flights
- Fridays79% on time · p90 30 min · 309 flights
- Sundays77% on time · p90 85 min · 310 flights
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