Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Austin via Houston: arrives on time 86%
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23:59 SFO → 06:04 IAHUA 505 · United · 4h 05m · 82% on time, 0.3% cancelled
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1h 31m layover in Houston (IAH) · 45 min minimum on one ticket
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07:35 IAH → 08:39 AUS +1 dayUA 2016 · United · 1h 04m · 92% on time, 0.0% cancelled
Total trip 6h 40m, scheduled departure to arrival (Austin is 2 h ahead of San Francisco). Times are local. Both flew on 37 of the last 56 days.
Makes the connection94%The first flight arrived more than 46 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 31m layover.
Arrives on time86%First flight not cancelled (0.3% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip6h 40mSFO 23:59 to AUS 08:39, 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.