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Showing Delta only (incl. its regional partners)All airlines ×
1,194 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 85% arrive on time from JFK
Best single flight DL 5483 JFK 08:45 → JAX 11:28 · 82% on time Avoid DL 5123 JFK 19:15 → JAX 22:17 · 74% 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
10
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JFK
86
89
83
82
78
66
74
82
71
% 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

Pick an hour to see this route’s flights leaving then.

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 5483flown by Endeavor JFK 08:45 JAX 11:28 82%
DL 5123flown by Endeavor JFK 19:15 JAX 22:17 74%

All 3 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 5483flown by Endeavor JFK 08:45 JAX 11:28 2h 43m 203 82% 3.4% 79 min
DL 1035 JFK 13:55 JAX 16:44 2h 47m 104 73% 2.9% 132 min
DL 5123flown by Endeavor JFK 19:15 JAX 22:17 3h 02m 348 74% 4.9% 78 min

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 JFK JAX 2h 43m 78% 3.9% 1,194 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