Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Portland via San Francisco: arrives on time 86%
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08:35 IAD → 11:19 SFOUA 1147 · United · 5h 44m · 86% on time, 1.0% cancelled
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3h 36m layover in San Francisco (SFO) · 45 min minimum on one ticket
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14:55 SFO → 16:47 PDXUA 2851 · United · 1h 52m · 88% on time, 0.0% cancelled
Total trip 11h 12m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 24 of the last 56 days.
Makes the connection100%The first flight arrived more than 171 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 36m layover.
Arrives on time86%First flight not cancelled (1.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip11h 12mIAD 08:35 to PDX 16:47, 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.