Historical on-time performance
Denver to Bozeman
525 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–BZN arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 2,623 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time87%Medianon timep9020 minCancel0.3%Flights299
- United AirlinesOn-time78%Medianon timep9045 minCancel0.2%Flights1,162
- Southwest AirlinesOn-time70%Medianon timep9045 minCancel0.5%Flights1,162
Why flights run late
Delay causes
- Airline28%
- Weather4%
- Air traffic (NAS)14%
- Late aircraft54%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → BZN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,732 flights
- Middays79% on time · p90 35 min · 2,849 flights
- Afternoons73% on time · p90 40 min · 1,106 flights
- Evenings72% on time · p90 65 min · 1,349 flights
- Overnights57% on time · p90 70 min · 935 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 79% on time.
- Wednesdays79% on time · p90 35 min · 1,148 flights
- Mondays78% on time · p90 40 min · 1,175 flights
- Tuesdays78% on time · p90 40 min · 1,141 flights
- Sundays76% on time · p90 40 min · 1,104 flights
- Saturdays75% on time · p90 45 min · 1,084 flights
- Thursdays74% on time · p90 45 min · 1,159 flights
- Fridays73% on time · p90 50 min · 1,161 flights
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