Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Dulles via San Francisco: arrives on time 70%
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19:38 PDX → 21:29 SFOUA 2615 · United · 1h 51m · 55% on time, 0.4% cancelled
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1h 36m layover in San Francisco (SFO) · 45 min minimum on one ticket
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23:05 SFO → 07:30 IAD +1 dayUA 2111 · United · 5h 25m · 87% on time, 0.0% cancelled
Total trip 8h 52m, scheduled departure to arrival (Dulles is 3 h ahead of Portland). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection81%The first flight arrived more than 51 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 1h 36m layover.
Arrives on time70%First flight not cancelled (0.4% are) × connection made (81%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip8h 52mPDX 19:38 to IAD 07:30, 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.