Jacksonville (JAX) to Atlanta (ATL): On-Time Performance
Data through May 2026
When you fly JAX to ATL matters as much as anything else about the booking: the route swung from 93% on-time in September 2025 to just 65% in July 2024. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 73%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 11
- last 12 months
- Duration
- 1h 16m
- scheduled
- Distance
- 269 mi
Best airline from JAX to ATL
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 84% | 13 min | 1.7% | 7,631 |
| Southwest Airlines | 82% | 10 min | 1.1% | 543 |
| Frontier Airlines | 56% | 38 min | 3.0% | 166 |
Monthly on-time trend
Best time to fly from JAX to ATL
Aim for departures around 5 a.m. (93% on-time); avoid 8 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 17 min |
| Tuesday | 87% | 12 min |
| Wednesdaybest | 88% | 9 min |
| Thursday | 85% | 11 min |
| Friday | 85% | 13 min |
| Saturday | 85% | 13 min |
| Sunday | 77% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft44%
- Airline operations35%
- National airspace system17%
- Weather4%
Frequently asked questions
- How often are flights from JAX to ATL delayed?
- 16% of JAX–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 13 minutes.
- Which airline is most reliable from JAX to ATL?
- Delta Air Lines has the best on-time record on this route at 84%, based on 7,631 flights. 3 airlines flew JAX–ATL frequently enough to compare in this period.
- What is the best time of day to fly from JAX to ATL?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 8 p.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JAX to ATL?
- The scheduled JAX–ATL flight time averages 1h 16m over 269 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are JAX to ATL flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from JAX to ATL?
- July 2024 was the roughest month in this dataset, with only 65% of arrivals on time. The best was September 2025 at 93%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 8,340 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.