Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Seattle via Houston: arrives on time 67%
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16:18 SAT → 17:25 IAHUA 404 · United · 1h 07m · 78% on time, 0.0% cancelled
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2h 30m layover in Houston (IAH) · 45 min minimum on one ticket
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19:55 IAH → 22:42 SEAUA 2456 · United · 4h 47m · 73% on time, 0.7% cancelled
Total trip 8h 24m, scheduled departure to arrival (Seattle is 2 h behind San Antonio). Times are local. Both flew on 33 of the last 56 days.
Makes the connection92%The first flight arrived more than 105 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 2h 30m layover.
Arrives on time67%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (0.7% are) and within 15 minutes (73%).
Total trip8h 24mSAT 16:18 to SEA 22:42, 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.