Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dulles via Seattle: arrives on time 93%
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07:00 SFO → 09:22 SEAUA 1708 · United · 2h 22m · 92% on time, 0.0% cancelled
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3h 38m layover in Seattle (SEA) · 45 min minimum on one ticket
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13:00 SEA → 21:06 IADUA 2131 · United · 5h 06m · 93% on time, 0.0% cancelled
Total trip 11h 06m, scheduled departure to arrival (Dulles is 3 h ahead of San Francisco). Times are local. Both flew on 49 of the last 56 days.
Makes the connection100%The first flight arrived more than 173 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 38m layover.
Arrives on time93%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip11h 06mSFO 07:00 to IAD 21:06, 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.