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

1,072 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 84% arrive on time from JFK

Best single flight DL 4985 JFK 08:51 → CVG 11:08 · 83% on time Avoid DL 5023 JFK 18:29 → CVG 21:05 · 72% 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 4985flown by Endeavor	JFK 08:51	CVG 11:08	83%
DL 5012flown by Endeavor	JFK 14:20	CVG 16:51	79%
DL 5023flown by Endeavor	JFK 18:29	CVG 21:05	72%

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 4985flown by Endeavor	JFK 08:51	CVG 11:08	2h 17m	347	83%	2.3%	85 min
DL 5012flown by Endeavor	JFK 14:20	CVG 16:51	2h 31m	349	79%	3.4%	90 min
DL 5023flown by Endeavor	JFK 18:29	CVG 21:05	2h 36m	364	72%	5.5%	85 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	CVG	2h 31m	78%	3.7%	1,072	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