Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Detroit via Houston: arrives on time 88%
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07:00 SJU → 10:53 IAHUA 1644 · United · 4h 53m · 96% on time, 0.5% cancelled
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3h 05m layover in Houston (IAH) · 45 min minimum on one ticket
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13:58 IAH → 17:59 DTWUA 6131 · United, flown by Mesa · 3h 01m · 89% on time, 0.0% cancelled
Total trip 10h 59m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection100%The first flight arrived more than 140 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 05m layover.
Arrives on time88%First flight not cancelled (0.5% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip10h 59mSJU 07:00 to DTW 17:59, 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.