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).

MIA

% 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 1–2 pm: 1Close ×


AA 3310	MIA 13:42	DCA 16:26	2h 44m	71	70%	2.8%	64 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