Atlanta (ATL) to Bozeman (BZN): On-Time Performance
Data through July 2026
When you fly ATL to BZN matters as much as anything else about the booking: the route swung from 93% on-time in September 2025 to just 60% in June 2025. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.2
- last 12 months
- Duration
- 4h 5m
- scheduled
- Distance
- 1,640 mi
Monthly on-time trend
Best time to fly from ATL to BZN
Departure time makes little difference on this route — on-time rates stay within a few points across the day.
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 12 min |
| Tuesday | 82% | 10 min |
| Wednesday | 83% | 8 min |
| Thursdaybest | 85% | 6 min |
| Friday | 81% | 12 min |
| Saturday | 77% | 13 min |
| Sunday | 73% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations47%
- National airspace system29%
- Weather4%
Frequently asked questions
- How often are flights from ATL to BZN delayed?
- 21% of ATL–BZN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from ATL to BZN?
- Departures around 8 a.m. have the best record (84% on-time), while departures around 9 a.m. have the worst (79%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to BZN?
- The scheduled ATL–BZN flight time averages 4h 5m over 1,640 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are ATL to BZN flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to BZN?
- June 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was September 2025 at 93%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 855 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.