Best Time to Fly BZN to ATL: On-Time Stats by Hour & Airline
Bozeman Yellowstone International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
429 flights were scheduled from Bozeman (BZN) to Atlanta (ATL) in the last 12 months, and 85.8% of those that flew arrived on time, 8.1 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
September has been the best month (97% on time) and Sunday the weakest day of the week (76%).
1.4% of flights were cancelled, versus 1.8% nationally.
BZN to ATL 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 | 85.8% | 132 min | 1.4% | 429 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BZN to ATL
On-time arrival % by scheduled departure hour (local time), 824 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | Limited data | 23 | |
| 12pm–1pm | 75.6% | 3.2% | 93 |
| 2pm–3pm | 85.9% | 0.5% | 581 |
| 3pm–4pm | 73.2% | 3.1% | 127 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BZN to ATL
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) | 73.2% | -11.0 pts | 1.8% | 57 |
| Summer peak (Jun 15 - Aug 15) | 79.2% | -4.9 pts | 0.0% | 155 |
| All other days | 84.2% | — | 1.7% | 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).