Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Portland via Detroit: arrives on time 83%
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08:35 IAD → 10:14 DTWUA 6137 · United, flown by Mesa · 1h 39m · 90% on time, 0.4% cancelled
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3h 46m layover in Detroit (DTW) · 90 min minimum on separate tickets
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14:00 DTW → 15:55 PWMDL 1821 · Delta · 1h 55m · 89% on time, 1.8% cancelled
Total trip 7h 20m, scheduled departure to arrival. Times are local. Both flew on 38 of the last 56 days.
Makes the connection96%The first flight arrived more than 136 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 46m layover.
Arrives on time83%First flight not cancelled (0.4% are) × connection made (96%) × second flight not cancelled (1.8% are) and within 15 minutes (89%).
Total trip7h 20mIAD 08:35 to PWM 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.