Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Seattle via Chicago: arrives on time 79%
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06:10 IAD → 07:27 ORDUA 2070 · United · 2h 17m · 84% on time, 0.0% cancelled
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1h 18m layover in Chicago (ORD) · 45 min minimum on one ticket
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08:45 ORD → 11:38 SEAUA 2099 · United · 4h 53m · 83% on time, 0.0% cancelled
Total trip 8h 28m, scheduled departure to arrival (Seattle is 3 h behind Dulles). Times are local. Both flew on 37 of the last 56 days.
Makes the connection95%The first flight arrived more than 33 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time79%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip8h 28mIAD 06:10 to SEA 11:38, 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.