Showing Delta only (incl. its regional partners)All airlines ×

1,040 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 83% arrive on time from JFK

Best single flight DL 683 JFK 08:55 → SAN 11:55 · 82% on time Avoid DL 685 JFK 20:29 → SAN 23:39 · 75% 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).

JFK

% 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 683	JFK 08:55	SAN 11:55	82%
DL 709	JFK 17:30	SAN 20:34	75%
DL 685	JFK 20:29	SAN 23:39	75%

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 683	JFK 08:55	SAN 11:55	6h 00m	224	82%	4.0%	52 min
DL 709	JFK 17:30	SAN 20:34	6h 04m	224	75%	4.9%	58 min
DL 685	JFK 20:29	SAN 23:39	6h 10m	311	75%	2.3%	54 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	SAN	6h 09m	78%	2.9%	1,040	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