Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Dallas-Fort Worth via Houston: arrives on time 75%
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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 53m layover in Houston (IAH) · 45 min minimum on one ticket
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14:46 IAH → 16:16 DFWUA 1388 · United · 1h 30m · 77% on time, 2.1% cancelled
Total trip 10h 16m, scheduled departure to arrival (Dallas-Fort Worth is 1 h behind San Juan). Times are local. Both flew on 44 of the last 56 days.
Makes the connection100%The first flight arrived more than 188 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 53m layover.
Arrives on time75%First flight not cancelled (0.5% are) × connection made (100%) × second flight not cancelled (2.1% are) and within 15 minutes (77%).
Total trip10h 16mSJU 07:00 to DFW 16:16, 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.