Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Dallas-Fort Worth via Houston: arrives on time 61%
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14:55 SJU → 18:51 IAHUA 668 · United · 4h 56m · 81% on time, 0.3% cancelled
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2h 46m layover in Houston (IAH) · 45 min minimum on one ticket
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21:37 IAH → 22:59 DFWUA 1183 · United · 1h 22m · 62% on time, 0.0% cancelled
Total trip 9h 04m, scheduled departure to arrival (Dallas-Fort Worth is 1 h behind San Juan). Times are local. Both flew on 39 of the last 56 days.
Makes the connection98%The first flight arrived more than 121 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 46m layover.
Arrives on time61%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (62%).
Total trip9h 04mSJU 14:55 to DFW 22:59, 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.