Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Dulles via Denver: arrives on time 60%
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11:05 PDX → 14:43 DENUA 2793 · United · 2h 38m · 89% on time, 0.0% cancelled
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57m layover in Denver (DEN) · 45 min minimum on one ticket
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15:40 DEN → 21:11 IADUA 421 · United · 3h 31m · 71% on time, 0.0% cancelled
Total trip 7h 06m, scheduled departure to arrival (Dulles is 3 h ahead of Portland). Times are local. Both flew on 55 of the last 56 days.
Makes the connection85%The first flight arrived more than 12 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time60%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (0.0% are) and within 15 minutes (71%).
Total trip7h 06mPDX 11:05 to IAD 21:11, 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.