Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Detroit via San Francisco: arrives on time 83%
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05:15 PDX → 07:01 SFOUA 1896 · United · 1h 46m · 92% on time, 0.0% cancelled
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1h 34m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:35 SFO → 16:27 DTWUA 1642 · United · 4h 52m · 85% on time, 0.0% cancelled
Total trip 8h 12m, scheduled departure to arrival (Detroit is 3 h ahead of Portland). Times are local. Both flew on 56 of the last 56 days.
Makes the connection98%The first flight arrived more than 49 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 34m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 12mPDX 05:15 to DTW 16:27, 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.