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4,045 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Delta is clearly ahead here: 78% of its flights arrive on time, 23 points better than Frontier.

Best time to leave 7–8 am 91% arrive on time from ATL
Best single flight DL 2326 ATL 08:25 → JAX 09:36 · 89% on time Avoid F9 1550 ATL 16:18 → JAX 17:34 · 55% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

7
8
9
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14
15
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ATL
86
72
70
63
70
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55
Jacksonville flights leaving ATL 8–9 am: 1Close ×
DL 2326 ATL 08:25 JAX 09:36 1h 12m 365 89% 1.9% 48 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

Delta 3,836 78% 1.6% 57 min
Frontier 209 55% 1.0% 59 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

DL 2326 ATL 08:25 JAX 09:36 89%
DL 2328 ATL 07:25 JAX 08:35 89%
DL 2923 ATL 10:48 JAX 12:00 87%
DL 2990 ATL 13:57 JAX 15:07 81%
DL 3024 ATL 12:33 JAX 13:43 80%
· · ·
DL 2265 ATL 19:25 JAX 20:36 71%
DL 1001 ATL 21:45 JAX 23:00 69%
F9 1550 ATL 16:18 JAX 17:34 55%
All 14 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.

Delta ATL JAX 1h 11m 78% 1.6% 3,836 Flying now
Frontier ATL JAX 1h 16m 55% 1.0% 209 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON