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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: 92% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 7–8 am 89% arrive on time from JAX
Best single flight DL 4959 JAX 07:05 → JFK 09:29 · 90% on time Avoid DL 5483 JAX 12:09 → JFK 14:48 · 80% 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
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JAX
92
84
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63
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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

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 4959flown by Endeavor JAX 07:05 JFK 09:29 90%
DL 5483flown by Endeavor JAX 12:09 JFK 14:48 80%

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 4959flown by Endeavor JAX 07:05 JFK 09:29 2h 24m 349 90% 3.2% 103 min
DL 5483flown by Endeavor JAX 12:09 JFK 14:48 2h 39m 203 80% 5.9% 73 min
DL 1035 JAX 17:50 JFK 20:27 2h 38m 96 49% 4.2% 138 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 JAX JFK 2h 31m 80% 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