Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → San Francisco via Houston: arrives on time 73%
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06:15 DTW → 08:11 IAHUA 1229 · United · 2h 56m · 97% on time, 0.0% cancelled
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1h 24m layover in Houston (IAH) · 45 min minimum on one ticket
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09:35 IAH → 11:35 SFOUA 2358 · United · 4h 00m · 74% on time, 1.4% cancelled
Total trip 8h 20m, scheduled departure to arrival (San Francisco is 3 h behind Detroit). Times are local. Both flew on 34 of the last 56 days.
Makes the connection100%The first flight arrived more than 39 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 1h 24m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.4% are) and within 15 minutes (74%).
Total trip8h 20mDTW 06:15 to SFO 11:35, 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.