Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Detroit via Houston: arrives on time 28%
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17:57 SAT → 19:04 IAHUA 2323 · United · 1h 07m · 67% on time, 0.0% cancelled
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46m layover in Houston (IAH) · 45 min minimum on one ticket
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19:50 IAH → 23:44 DTWUA 2237 · United · 2h 54m · 61% on time, 0.0% cancelled
Total trip 4h 47m, scheduled departure to arrival (Detroit is 1 h ahead of San Antonio). Times are local. Both flew on 28 of the last 56 days.
Makes the connection46%The first flight arrived more than 1 minutes late on 54% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time28%First flight not cancelled (0.0% are) × connection made (46%) × second flight not cancelled (0.0% are) and within 15 minutes (61%).
Total trip4h 47mSAT 17:57 to DTW 23:44, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.