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6,801 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 5.

Best time to leave 6–7 am 92% arrive on time from DCA
Best single flight DL 410 DCA 06:00 → ATL 07:48 · 95% on time Avoid DL 850 DCA 18:25 → ATL 20:30 · 68% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
DCA
92
88
86
83
86
81
78
77
64
71
66
57
54
64
67
52
% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta 3,842 81% 2.6% 86 min
Southwest 1,106 80% 1.9% 62 min
American (incl. Envoy, PSA, Republic) 1,853 73% 5.7% 77 min

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 410 DCA 06:00 ATL 07:48 95%
DL 330 DCA 06:59 ATL 08:51 93%
DL 926 DCA 10:16 ATL 12:08 87%
DL 343 DCA 08:00 ATL 09:52 87%
DL 455 DCA 09:00 ATL 10:52 86%
· · ·
DL 360 DCA 16:00 ATL 17:57 73%
DL 950 DCA 19:35 ATL 21:35 70%
DL 850 DCA 18:25 ATL 20:30 68%
All 26 flights on this route →

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 DCA ATL 2h 00m 81% 2.6% 3,842 Flying now
Southwest DCA ATL 1h 55m 80% 1.9% 1,106 Flying now
American DCA ATL 2h 05m 73% 5.7% 1,853 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