Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Houston via Portland: arrives on time 49%
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20:50 SFO → 22:48 PDXUA 2413 · United · 1h 58m · 56% on time, 0.0% cancelled
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1h 11m layover in Portland (PDX) · 45 min minimum on one ticket
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23:59 PDX → 06:05 IAH +1 dayUA 780 · United · 4h 06m · 76% on time, 0.0% cancelled
Total trip 7h 15m, scheduled departure to arrival (Houston is 2 h ahead of San Francisco). Times are local. Both flew on 47 of the last 56 days.
Makes the connection64%The first flight arrived more than 26 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time49%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip7h 15mSFO 20:50 to IAH 06:05, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.