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

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

No clear winner: Delta’s JFK → IAD flights land within a few points of 78% on time whatever the hour.

Best time to leave 10–11 am 84% arrive on time from JFK

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.

No Delta flight on this route ran 150+ times in the year.

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 5835flown by Republic	JFK 10:16	IAD 11:48	1h 32m	55	87%	1.8%	129 min
DL 5135flown by Endeavor	JFK 10:50	IAD 12:18	1h 28m	31	87%	3.2%	62 min
DL 5076flown by Endeavor	JFK 16:40	IAD 18:32	1h 51m	55	62%	12.7%	92 min
DL 5792flown by Republic	JFK 17:11	IAD 18:53	1h 42m	31	80%	3.2%	58 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	IAD	1h 32m	78%	4.5%	713	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