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Showing Delta only (incl. its regional partners)All airlines ×
3,842 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 7 in 10.

Best time to leave 7–8 am 85% arrive on time from ATL
Best single flight DL 926 ATL 07:25 → DCA 09:15 · 85% on time Avoid DL 727 ATL 19:55 → DCA 21:46 · 57% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
ATL
91
82
83
79
67
71
65
73
68
72
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 926 ATL 07:25 DCA 09:15 85%
DL 380 ATL 09:20 DCA 11:08 82%
DL 737 ATL 11:00 DCA 12:42 81%
DL 360 ATL 13:09 DCA 14:59 72%
DL 537 ATL 21:55 DCA 23:44 70%
· · ·
DL 832 ATL 17:55 DCA 19:48 59%
DL 850 ATL 15:30 DCA 17:25 58%
DL 727 ATL 19:55 DCA 21:46 57%

All 11 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 926 ATL 07:25 DCA 09:15 1h 50m 362 85% 4.1% 45 min
DL 380 ATL 09:20 DCA 11:08 1h 47m 364 82% 1.6% 49 min
DL 737 ATL 11:00 DCA 12:42 1h 42m 365 81% 2.2% 55 min
DL 360 ATL 13:09 DCA 14:59 1h 50m 364 72% 1.1% 56 min
DL 850 ATL 15:30 DCA 17:25 1h 55m 348 58% 1.4% 60 min
DL 950 ATL 16:40 DCA 18:33 1h 53m 356 65% 2.2% 74 min
DL 832 ATL 17:55 DCA 19:48 1h 53m 323 59% 3.7% 69 min
DL 325 ATL 18:55 DCA 20:48 1h 53m 362 60% 2.8% 63 min
DL 727 ATL 19:55 DCA 21:46 1h 51m 353 57% 2.5% 55 min
DL 378 ATL 20:55 DCA 22:47 1h 52m 264 66% 1.9% 67 min
DL 537 ATL 21:55 DCA 23:44 1h 49m 364 70% 2.7% 60 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 ATL DCA 1h 51m 69% 2.4% 3,842 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