Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Houston via Seattle: arrives on time 88%
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22:59 SFO → 01:29 SEAUA 5579 · United, flown by SkyWest · 2h 30m · 72% on time, 0.7% cancelled
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3h 31m layover in Seattle (SEA) · 45 min minimum on one ticket
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05:00 SEA → 11:21 IAH +1 dayUA 2748 · United · 4h 21m · 89% on time, 0.0% cancelled
Total trip 10h 22m, scheduled departure to arrival (Houston is 2 h ahead of San Francisco). Times are local. Both flew on 32 of the last 56 days.
Makes the connection100%The first flight arrived more than 166 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 31m layover.
Arrives on time88%First flight not cancelled (0.7% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip10h 22mSFO 22:59 to IAH 11:21, 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.