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

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

Leave before 9 am: 94% depart on time. After 4 pm it’s 64%.

Best time to leave 7–8 am 80% arrive on time from CVG

Best single flight DL 5229 CVG 07:00 → DCA 08:33 · 79% on time Avoid DL 5134 CVG 17:10 → DCA 18:46 · 54% 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).

CVG

% 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 5229flown by Endeavor	CVG 07:00	DCA 08:33	79%
DL 5221flown by Endeavor	CVG 12:35	DCA 14:04	62%
DL 5134flown by Endeavor	CVG 17:10	DCA 18:46	54%

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 5229flown by Endeavor	CVG 07:00	DCA 08:33	1h 33m	346	79%	1.4%	54 min
DL 5221flown by Endeavor	CVG 12:35	DCA 14:04	1h 32m	340	62%	1.2%	69 min
DL 5134flown by Endeavor	CVG 17:10	DCA 18:46	1h 36m	274	54%	4.7%	80 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	CVG	DCA	1h 33m	66%	2.3%	998	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