Historical on-time performance
Atlanta to Bozeman
1,640 miData through May 2026Source: US DOT · BTS
Flights on ATL–BZN arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 392 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time77%Medianon timep9030 minCancel1.3%Flights392
Why flights run late
Delay causes
- Airline37%
- Weather5%
- Air traffic (NAS)34%
- Late aircraft25%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline40%
- Weather60%
- 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 ATL → BZN
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 81% to 82% on time.
- Mornings82% on time · p90 25 min · 187 flights · limited
- Middays81% on time · p90 25 min · 970 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.
- Fridays85% on time · p90 25 min · 164 flights · limited
- Wednesdays85% on time · p90 20 min · 137 flights · limited
- Thursdays84% on time · p90 25 min · 160 flights · limited
- Tuesdays83% on time · p90 15 min · 139 flights · limited
- Mondays78% on time · p90 45 min · 161 flights · limited
- Saturdays78% on time · p90 25 min · 205 flights
- Sundays75% on time · p90 50 min · 191 flights · limited
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