Dayton (DAY) to Atlanta (ATL): On-Time Performance
Data through May 2026
The calendar drives reliability on DAY–ATL. October 2024 flights landed on schedule 100% of the time, but July 2024 dropped to 77% — a gap of 23 points. Across the full period the route averages 90% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 84%), which matters most in the rough months.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 3.8
- last 12 months
- Duration
- 1h 46m
- scheduled
- Distance
- 432 mi
Best airline from DAY to ATL
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 90% | 11 min | 1.6% | 2,667 |
| Endeavor Air | 89% | 26 min | 1.6% | 63 |
Monthly on-time trend
Best time to fly from DAY to ATL
Aim for departures around 1 p.m. (94% on-time); avoid 7 p.m. departures (81%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 90% | 8 min |
| Tuesday | 88% | 13 min |
| Wednesday | 90% | 9 min |
| Thursday | 91% | 6 min |
| Fridaybest | 91% | 13 min |
| Saturday | 90% | 14 min |
| Sunday | 88% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations48%
- National airspace system10%
- Weather6%
Frequently asked questions
- How often are flights from DAY to ATL delayed?
- 10% of DAY–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from DAY to ATL?
- Delta Air Lines has the best on-time record on this route at 90%, based on 2,667 flights. 2 airlines flew DAY–ATL frequently enough to compare in this period.
- What is the best time of day to fly from DAY to ATL?
- Departures around 1 p.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (81%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DAY to ATL?
- The scheduled DAY–ATL flight time averages 1h 46m over 432 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
- How often are DAY to ATL flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DAY to ATL?
- July 2024 was the roughest month in this dataset, with only 77% of arrivals on time. The best was October 2024 at 100%. If your dates are flexible, that 23-point gap is worth planning around.
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Based on 2,730 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.