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1,303 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Alaska’s SEA → KTN flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 6–7 am 89% arrive on time from SEA
Best single flight AS 65 SEA 07:03 → KTN 08:13 · 88% on time Avoid AS 67 SEA 15:37 → KTN 16:43 · 71% 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
SEA
89
88
82
71
77
71
80
% 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.
Alaska 1,303 79% 0.2% 56 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.
AS 65 SEA 07:03 KTN 08:13 88%
AS 69 SEA 18:38 KTN 19:43 81%
AS 67 SEA 15:37 KTN 16:43 71%

All 6 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 65 SEA 07:03 KTN 08:13 2h 10m 360 88% 0.0% 52 min
AS 653 SEA 10:05 KTN 11:17 2h 12m 52 77% 0.0% 43 min
AS 565 SEA 11:47 KTN 13:06 2h 19m 24 88% 0.0% 57 min
AS 92 SEA 13:54 KTN 15:02 2h 08m 71 72% 0.0% 37 min
AS 67 SEA 15:37 KTN 16:43 2h 06m 364 71% 0.5% 59 min
AS 69 SEA 18:38 KTN 19:43 2h 05m 362 81% 0.0% 63 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 SEA KTN 2h 10m 79% 0.2% 1,303 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