Best Time to Fly DAY to ATL: On-Time Stats by Hour & Airline
James M Cox/Dayton International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
1,402 flights were scheduled from Dayton (DAY) to Atlanta (ATL) in the last 12 months, and 89.3% of those that flew arrived on time, 11.7 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
October has been the best month (96% on time) and Sunday the weakest day of the week (88%).
2.0% of flights were cancelled, versus 1.8% nationally.
DAY 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 | 89.3% | 95 min | 2.0% | 1,402 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAY to ATL
On-time arrival % by scheduled departure hour (local time), 2,726 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 29 | |
| 6am–7am | 93.3% | 1.3% | 696 |
| 8am–9am | Limited data | 1 | |
| 10am–11am | Limited data | 6 | |
| 11am–12pm | 91.9% | 1.2% | 662 |
| 12pm–1pm | 90.0% | 0.0% | 30 |
| 1pm–2pm | 93.8% | 1.0% | 97 |
| 2pm–3pm | 87.6% | 0.7% | 286 |
| 3pm–4pm | 85.2% | 0.5% | 205 |
| 4pm–5pm | 92.0% | 1.3% | 151 |
| 5pm–6pm | Limited data | 17 | |
| 6pm–7pm | 84.3% | 2.9% | 381 |
| 7pm–8pm | 82.2% | 1.2% | 165 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DAY 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) | 87.0% | -3.9 pts | 0.0% | 55 |
| Christmas & New Year (Dec 20 - Jan 3) | 87.9% | -3.1 pts | 1.5% | 67 |
| Summer peak (Jun 15 - Aug 15) | 83.7% | -7.2 pts | 2.1% | 465 |
| All other days | 91.0% | — | 1.2% | 2,139 |
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).