Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Portland via San Francisco: arrives on time 84%
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09:35 IAH → 11:35 SFOUA 2358 · United · 4h 00m · 74% on time, 1.4% cancelled
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3h 20m layover in San Francisco (SFO) · 45 min minimum on one ticket
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14:55 SFO → 16:47 PDXUA 2851 · United · 1h 52m · 88% on time, 0.0% cancelled
Total trip 9h 12m, scheduled departure to arrival (Portland is 2 h behind Houston). Times are local. Both flew on 24 of the last 56 days.
Makes the connection98%The first flight arrived more than 155 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 20m layover.
Arrives on time84%First flight not cancelled (1.4% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 12mIAH 09:35 to PDX 16:47, 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.