Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Houston via San Francisco: arrives on time 83%
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10:29 SEA → 12:47 SFOUA 1482 · United · 2h 18m · 71% on time, 0.4% cancelled
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3h 53m layover in San Francisco (SFO) · 45 min minimum on one ticket
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16:40 SFO → 22:52 IAHUA 2305 · United · 4h 12m · 85% on time, 0.0% cancelled
Total trip 10h 23m, scheduled departure to arrival (Houston is 2 h ahead of Seattle). Times are local. Both flew on 37 of the last 56 days.
Makes the connection98%The first flight arrived more than 188 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 53m layover.
Arrives on time83%First flight not cancelled (0.4% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip10h 23mSEA 10:29 to IAH 22:52, 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.