Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Houston via Newark: arrives on time 65%
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13:25 SJU → 17:39 EWRUA 1173 · United · 4h 14m · 66% on time, 4.4% cancelled
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3h 11m layover in Newark (EWR) · 45 min minimum on one ticket
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20:50 EWR → 23:43 IAHUA 2425 · United · 3h 53m · 75% on time, 3.0% cancelled
Total trip 11h 18m, scheduled departure to arrival (Houston is 1 h behind San Juan). Times are local. Both flew on 56 of the last 56 days.
Makes the connection94%The first flight arrived more than 146 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 3h 11m layover.
Arrives on time65%First flight not cancelled (4.4% are) × connection made (94%) × second flight not cancelled (3.0% are) and within 15 minutes (75%).
Total trip11h 18mSJU 13:25 to IAH 23:43, 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.