Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → San Juan via Houston: arrives on time 85%
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18:40 DTW → 20:50 IAHUA 4032 · United, flown by Mesa · 3h 10m · 77% on time, 0.0% cancelled
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3h 06m layover in Houston (IAH) · 45 min minimum on one ticket
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23:56 IAH → 05:29 SJU +1 dayUA 1497 · United · 4h 33m · 86% on time, 0.7% cancelled
Total trip 10h 49m, 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 141 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 06m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.7% are) and within 15 minutes (86%).
Total trip10h 49mDTW 18:40 to SJU 05:29, 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.