Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → San Jose via Seattle: arrives on time 86%
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09:30 IAD → 12:16 SEAAS 361 · Alaska · 5h 46m · 90% on time, 1.9% cancelled
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2h 02m layover in Seattle (SEA) · 45 min minimum on one ticket
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14:18 SEA → 16:32 SJCAS 1366 · Alaska · 2h 14m · 89% on time, 0.0% cancelled
Total trip 10h 02m, scheduled departure to arrival (San Jose is 3 h behind Dulles). Times are local. Both flew on 37 of the last 56 days.
Makes the connection99%The first flight arrived more than 77 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 02m layover.
Arrives on time86%First flight not cancelled (1.9% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip10h 02mIAD 09:30 to SJC 16:32, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.