Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Washington → Seattle via San Francisco: arrives on time 67%
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07:55 DCA → 10:50 SFOUA 369 · United · 5h 55m · 88% on time, 0.6% cancelled
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1h 20m layover in San Francisco (SFO) · 45 min minimum on one ticket
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12:10 SFO → 14:30 SEAUA 2744 · United · 2h 20m · 72% on time, 1.3% cancelled
Total trip 9h 35m, scheduled departure to arrival (Seattle is 3 h behind Washington). Times are local. Both flew on 43 of the last 56 days.
Makes the connection95%The first flight arrived more than 35 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time67%First flight not cancelled (0.6% are) × connection made (95%) × second flight not cancelled (1.3% are) and within 15 minutes (72%).
Total trip9h 35mDCA 07:55 to SEA 14:30, 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.