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Showing Delta only (incl. its regional partners)All airlines ×
1,486 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 8–9 am 85% arrive on time from JFK
Best single flight DL 5097 JFK 08:51 → RDU 10:49 · 85% on time Avoid DL 5103 JFK 19:25 → RDU 21:38 · 73% 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).

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JFK
86
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71
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65
74
% 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 5097flown by Endeavor JFK 08:51 RDU 10:49 85%
DL 5028flown by Endeavor JFK 12:30 RDU 14:21 76%
DL 5150flown by Endeavor JFK 16:50 RDU 19:09 75%
DL 5103flown by Endeavor JFK 19:25 RDU 21:38 73%

All 4 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 5097flown by Endeavor JFK 08:51 RDU 10:49 1h 56m 363 85% 2.8% 63 min
DL 5028flown by Endeavor JFK 12:30 RDU 14:21 1h 51m 246 76% 4.1% 68 min
DL 5150flown by Endeavor JFK 16:50 RDU 19:09 2h 16m 349 75% 5.7% 79 min
DL 5103flown by Endeavor JFK 19:25 RDU 21:38 2h 13m 347 73% 8.4% 81 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 RDU 1h 56m 78% 5.0% 1,486 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