Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Chicago via Dulles: arrives on time 89%
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23:30 PDX → 07:32 IADUA 498 · United · 5h 02m · 92% on time, 2.7% cancelled
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2h 59m layover in Dulles (IAD) · 45 min minimum on one ticket
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10:31 IAD → 11:53 ORD +1 dayUA 1252 · United · 2h 22m · 92% on time, 0.8% cancelled
Total trip 10h 23m, scheduled departure to arrival (Chicago is 2 h ahead of Portland). Times are local. Both flew on 36 of the last 56 days.
Makes the connection100%The first flight arrived more than 134 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 59m layover.
Arrives on time89%First flight not cancelled (2.7% are) × connection made (100%) × second flight not cancelled (0.8% are) and within 15 minutes (92%).
Total trip10h 23mPDX 23:30 to ORD 11:53, 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.