Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Denver via Houston: arrives on time 95%
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23:59 SFO → 06:04 IAHUA 505 · United · 4h 05m · 82% on time, 0.3% cancelled
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2h 26m layover in Houston (IAH) · 45 min minimum on one ticket
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08:30 IAH → 10:05 DEN +1 dayUA 2816 · United · 2h 35m · 97% on time, 0.0% cancelled
Total trip 9h 06m, scheduled departure to arrival (Denver is 1 h ahead of San Francisco). Times are local. Both flew on 37 of the last 56 days.
Makes the connection98%The first flight arrived more than 101 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 26m layover.
Arrives on time95%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (97%).
Total trip9h 06mSFO 23:59 to DEN 10:05, 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.