Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Nashville 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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2h 16m layover in San Francisco (SFO) · 45 min minimum on one ticket
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09:17 SFO → 15:53 BNAUA 499 · United · 4h 36m · 84% on time, 0.6% cancelled
Total trip 8h 38m, scheduled departure to arrival (Nashville is 2 h ahead of Portland). Times are local. Both flew on 53 of the last 56 days.
Makes the connection99%The first flight arrived more than 91 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 16m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip8h 38mPDX 05:15 to BNA 15:53, 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.