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Showing Alaska only (incl. its regional partners)All airlines ×
1,268 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 6–7 am 93% arrive on time from SEA
Best single flight AS 298 SEA 08:25 → EWR 16:56 · 90% on time Avoid AS 477 SEA 10:05 → EWR 18:29 · 76% 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
90
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84
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65
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46
77
70
% 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 298 SEA 08:25 EWR 16:56 90%
AS 314 SEA 22:40 EWR 06:59 86%
AS 477 SEA 10:05 EWR 18:29 76%

All 7 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 239 SEA 07:05 EWR 15:31 5h 26m 52 90% 5.8% 32 min
AS 298 SEA 08:25 EWR 16:56 5h 31m 272 90% 3.7% 65 min
AS 477 SEA 10:05 EWR 18:29 5h 24m 343 76% 2.9% 59 min
AS 293 SEA 15:30 EWR 23:59 5h 29m 28 71% 0.0% 38 min
AS 263 SEA 15:38 EWR 23:59 5h 21m 51 54% 2.0% 44 min
AS 274 SEA 22:30 EWR 06:52 5h 22m 84 87% 0.0% 46 min
AS 314 SEA 22:40 EWR 06:59 5h 19m 209 86% 0.5% 43 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 EWR 5h 26m 83% 2.2% 1,268 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