Historical on-time performance
Boston to Bozeman
1,991 miData through Dec 2025Source: US DOT · BTS
Flights on BOS–BZN arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 62 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time82%Medianon timep9020 minCancel1.6%Flights62
Why flights run late
Delay causes
- Airline21%
- Weather0%
- Air traffic (NAS)67%
- Late aircraft13%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BOS → BZN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 74% to 77% on time.
- Mornings77% on time · p90 45 min · 225 flights
- Middays74% on time · p90 70 min · 137 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 83% on time.
- Sundays83% on time · p90 55 min · 54 flights · limited
- Wednesdays81% on time · p90 55 min · 58 flights · limited
- Fridays78% on time · p90 45 min · 58 flights · limited
- Saturdays70% on time · p90 65 min · 91 flights · limited
- Mondays68% on time · p90 70 min · 65 flights · limited
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