Historical on-time performance
Butte to Denver
578 miData through May 2026Source: US DOT · BTS
Flights on BTM–DEN arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.3%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-time82%Medianon timep9040 minCancel0.3%Flights337
Why flights run late
Delay causes
- Airline81%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft3%
- 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 1 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 BTM → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 35 min · 193 flights · limited
- Middays75% on time · p90 60 min · 320 flights
Keep exploring