Best Time to Fly BOI to ATL: On-Time Stats by Hour & Airline
Boise Air Terminal → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
545 flights were scheduled from Boise (BOI) to Atlanta (ATL) in the last 12 months, and 84.6% of those that flew arrived on time, 7.0 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, Saturday was the most reliable day (85% on time) and July the worst month (69%).
The cancellation rate was 1.5% (US average 1.8%).
BOI 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 | 84.6% | 72 min | 1.5% | 545 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOI to ATL
On-time arrival % by scheduled departure hour (local time), 1,078 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 1pm–2pm | 85.1% | 2.0% | 490 |
| 2pm–3pm | 83.1% | 0.4% | 240 |
| 11pm–12am | 74.3% | 0.3% | 348 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOI 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 | 23 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 76.9% | -5.8 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 75.7% | -7.0 pts | 1.4% | 218 |
| All other days | 82.8% | — | 1.1% | 785 |
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).