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3,956 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 2 in 3.

Best time to leave 7–8 am 93% arrive on time from MIA
Best single flight AA 491 MIA 06:19 → DCA 09:00 · 93% on time Avoid AA 2648 MIA 19:11 → DCA 21:54 · 63% 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
22
MIA
92
90
90
81
83
79
85
73
68
58
67
68
64
68
69
72
56
% 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
Washington flights leaving MIA 3–4 pm: 3Close ×
AA 3138 MIA 15:30 DCA 18:13 2h 43m 16 62% 0.0% 102 min
AA 3244 MIA 15:35 DCA 18:18 2h 43m 35 75% 2.9% 90 min
AA 1328 MIA 15:36 DCA 18:18 2h 42m 12 75% 0.0% 150 min

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 (incl. Republic) 391 76% 1.0% 77 min
American (incl. Envoy, Republic) 3,565 76% 1.9% 68 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.
AA 491 MIA 06:19 DCA 09:00 93%
AA 1606 MIA 11:59 DCA 14:44 87%
AA 2897 MIA 20:30 DCA 23:09 74%
DL 2888 MIA 11:22 DCA 14:05 70%
AA 2648 MIA 19:11 DCA 21:54 63%
All 13 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 MIA DCA 2h 39m 76% 1.0% 391 Flying now
American MIA DCA 2h 39m 76% 1.9% 3,565 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