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

728 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 77%.

Best time to leave 8–9 am 82% arrive on time from DCA

Best single flight AS 1 DCA 08:00 → SEA 10:58 · 82% on time Avoid AS 3 DCA 17:00 → SEA 19:59 · 75% 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).

DCA

% 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.


AS 1	DCA 08:00	SEA 10:58	82%
AS 3	DCA 17:00	SEA 19:59	75%

All 2 Alaska 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.


AS 1	DCA 08:00	SEA 10:58	5h 58m	365	82%	1.1%	43 min
AS 3	DCA 17:00	SEA 19:59	5h 59m	363	75%	0.6%	56 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.


Alaska	DCA	SEA	5h 59m	79%	0.8%	728	Flying now

Alternatives with one stop

All connections →


Alaska Details →	DCA 17:16 → PDX 20:04AS 9	1h 26m Portland	PDX 21:30 → SEA 22:27AS 2421 · flown by Horizon	8h 11m	87%	78%

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