Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Portland via Dulles: arrives on time 81%
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12:26 DEN → 17:58 IADUA 2853 · United · 3h 32m · 82% on time, 0.0% cancelled
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4h 12m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:10 IAD → 23:59 PWMUA 3459 · United, flown by Republic · 1h 49m · 85% on time, 4.8% cancelled
Total trip 9h 33m, scheduled departure to arrival (Portland is 2 h ahead of Denver). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection100%The first flight arrived more than 207 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 4h 12m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (4.8% are) and within 15 minutes (85%).
Total trip9h 33mDEN 12:26 to PWM 23:59, 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.