Historical on-time performance
Denver to Butte
578 miData through May 2026Source: US DOT · BTS
Flights on DEN–BTM arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time71%Medianon timep9065 minCancel1.8%Flights337
Why flights run late
Delay causes
- Airline39%
- Weather15%
- Air traffic (NAS)21%
- Late aircraft26%
- 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 6 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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