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6,679 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 73%.

Best time to leave 6–7 am 95% arrive on time from SEA
Best single flight AS 79 SEA 07:53 → ANC 10:37 · 90% on time Avoid AS 78 SEA 17:55 → ANC 20:40 · 72% 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).

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SEA
89
% 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 1,614 78% 0.6% 64 min
Alaska (incl. Horizon) 5,004 77% 0.9% 49 min
Hawaiian 61 – 0.0% 44 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 79 SEA 07:53 ANC 10:37 90%
AS 85 SEA 06:03 ANC 08:40 88%
DL 922 SEA 10:35 ANC 13:15 80%
AS 247 SEA 21:59 ANC 00:46 79%
DL 931 SEA 17:30 ANC 20:07 78%
· · ·
DL 928 SEA 13:30 ANC 16:15 73%
AS 83 SEA 11:39 ANC 14:27 72%
AS 78 SEA 17:55 ANC 20:40 72%
All 38 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 SEA ANC 3h 40m 78% 0.6% 1,614 Flying now
Alaska SEA ANC 3h 45m 77% 0.9% 5,004 Flying now
Hawaiian SEA ANC 3h 45m 59% 0.0% 61 Not 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