Atlanta (ATL) to Dayton (DAY): On-Time Performance
Data through July 2026
When you fly ATL to DAY matters as much as anything else about the booking: the route swung from 95% on-time in October 2024 to just 71% in June 2025. Across the full period the route averages 84% on-time against a national 78%.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 3.8
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 432 mi
Best airline from ATL to DAY
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 85% | 11 min | 1.6% | 2,783 |
| Endeavor Air | 75% | 24 min | 1.7% | 60 |
Monthly on-time trend
Best time to fly from ATL to DAY
Aim for departures around 7 p.m. (93% on-time); avoid 4 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 13 min |
| Tuesday | 85% | 12 min |
| Wednesday | 88% | 7 min |
| Thursday | 84% | 10 min |
| Friday | 82% | 14 min |
| Saturdaybest | 89% | 7 min |
| Sunday | 81% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations54%
- National airspace system10%
- Weather7%
Frequently asked questions
- How often are flights from ATL to DAY delayed?
- 16% of ATL–DAY flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from ATL to DAY?
- Delta Air Lines has the best on-time record on this route at 85%, based on 2,783 flights. 2 airlines flew ATL–DAY frequently enough to compare in this period.
- What is the best time of day to fly from ATL to DAY?
- Departures around 7 p.m. have the best record (93% on-time), while departures around 4 p.m. have the worst (78%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to DAY?
- The scheduled ATL–DAY flight time averages 1h 30m over 432 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are ATL to DAY flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to DAY?
- June 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was October 2024 at 95%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 2,843 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.