Best Time to Fly ATL to BZN: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Bozeman Yellowstone International
Data through July 2026 · Last updated October 18, 2026
429 flights were scheduled from Atlanta (ATL) to Bozeman (BZN) in the last 12 months, and 80.9% of those that flew arrived on time, 3.3 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Thursday was the most reliable day (85% on time) and March the worst month (71%).
The cancellation rate was 1.4% (US average 1.8%).
ATL to BZN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 80.9% | 45 min | 1.4% | 429 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to BZN
On-time arrival % by scheduled departure hour (local time), 824 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 83.8% | 0.0% | 37 |
| 9am–10am | 79.0% | 3.8% | 79 |
| 11am–12pm | 79.8% | 0.7% | 707 |
| 12pm–1pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to BZN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 71.9% | -8.7 pts | 0.0% | 57 |
| Summer peak (Jun 15 - Aug 15) | 80.5% | -0.1 pts | 0.0% | 155 |
| All other days | 80.7% | — | 1.3% | 600 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).