Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Seattle via Dulles: arrives on time 82%
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08:40 ORD → 11:52 IADUA 2277 · United · 2h 12m · 92% on time, 0.0% cancelled
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1h 18m layover in Dulles (IAD) · 45 min minimum on one ticket
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13:10 IAD → 15:55 SEAUA 2241 · United · 5h 45m · 86% on time, 0.0% cancelled
Total trip 9h 15m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 33 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip9h 15mORD 08:40 to SEA 15:55, 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.