Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Nashville via Houston: arrives on time 74%
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23:59 PDX → 06:05 IAHUA 780 · United · 4h 06m · 76% on time, 0.0% cancelled
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1h 35m layover in Houston (IAH) · 45 min minimum on one ticket
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07:40 IAH → 09:47 BNA +1 dayUA 2174 · United · 2h 07m · 88% on time, 0.4% cancelled
Total trip 7h 48m, scheduled departure to arrival (Nashville is 2 h ahead of Portland). Times are local. Both flew on 46 of the last 56 days.
Makes the connection84%The first flight arrived more than 50 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time74%First flight not cancelled (0.0% are) × connection made (84%) × second flight not cancelled (0.4% are) and within 15 minutes (88%).
Total trip7h 48mPDX 23:59 to BNA 09:47, 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.