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Showing Alaska only (incl. its regional partners)All airlines ×
1,934 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 11 am–12 pm 99% arrive on time from SJC
Best single flight AS 1311 SJC 10:19 → SEA 12:30 · 91% on time Avoid AS 762 SJC 08:00 → SEA 10:20 · 78% 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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SJC
98
90
92
91
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88
75
69
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87
72
% 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 1311 SJC 10:19 SEA 12:30 91%
AS 523 SJC 18:00 SEA 20:18 85%
AS 745 SJC 14:34 SEA 16:51 83%
AS 762 SJC 08:00 SEA 10:20 78%

All 13 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 1314 SJC 06:17 SEA 08:34 2h 17m 136 87% 0.7% 39 min
AS 762 SJC 08:00 SEA 10:20 2h 20m 160 78% 0.6% 39 min
AS 1426 SJC 08:20 SEA 10:31 2h 11m 52 41% 1.9% 60 min
AS 2186flown by Horizon SJC 09:59 SEA 12:13 2h 14m 28 96% 0.0% 21 min
AS 1311 SJC 10:19 SEA 12:30 2h 11m 300 91% 2.0% 36 min
AS 583 SJC 13:14 SEA 15:31 2h 17m 57 89% 5.3% 110 min
AS 521 SJC 14:16 SEA 16:27 2h 11m 52 73% 1.9% 48 min
AS 745 SJC 14:34 SEA 16:51 2h 17m 220 83% 0.9% 47 min
AS 1413 SJC 17:28 SEA 19:39 2h 11m 37 84% 0.0% 84 min
AS 523 SJC 18:00 SEA 20:18 2h 18m 177 85% 0.6% 50 min
AS 481 SJC 18:45 SEA 21:00 2h 15m 53 53% 0.0% 61 min
AS 1304 SJC 20:15 SEA 22:37 2h 22m 142 79% 0.7% 41 min
AS 1436 SJC 21:38 SEA 23:47 2h 09m 14 69% 7.1% 44 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 SJC SEA 2h 17m 82% 1.2% 1,934 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