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Showing Alaska only (incl. its regional partners)All airlines ×
1,403 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 4 in 5.

Best time to leave 7–8 am 90% arrive on time from SEA
Best single flight AS 26 SEA 07:00 → JFK 15:29 · 86% on time Avoid AS 16 SEA 14:02 → JFK 22:29 · 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).

7
8
9
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SEA
92
86
74
79
66
60
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78
82
% 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 26 SEA 07:00 JFK 15:29 86%
AS 22 SEA 23:15 JFK 07:38 81%
AS 34 SEA 09:29 JFK 17:55 76%
AS 16 SEA 14:02 JFK 22:29 63%

All 5 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 26 SEA 07:00 JFK 15:29 5h 29m 363 86% 3.9% 51 min
AS 34 SEA 09:29 JFK 17:55 5h 26m 364 76% 2.7% 60 min
AS 84 SEA 13:50 JFK 22:21 5h 31m 28 54% 0.0% 44 min
AS 16 SEA 14:02 JFK 22:29 5h 27m 330 63% 2.7% 57 min
AS 22 SEA 23:15 JFK 07:38 5h 23m 316 81% 0.9% 38 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 JFK 5h 27m 76% 2.6% 1,403 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