Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Houston via Newark: arrives on time 86%
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01:00 SJU → 05:10 EWRUA 2219 · United · 4h 10m · 85% on time, 1.1% cancelled
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1h 55m layover in Newark (EWR) · 45 min minimum on one ticket
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07:05 EWR → 09:50 IAHUA 2438 · United · 3h 45m · 94% on time, 0.4% cancelled
Total trip 9h 50m, 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 connection93%The first flight arrived more than 70 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 55m layover.
Arrives on time86%First flight not cancelled (1.1% are) × connection made (93%) × second flight not cancelled (0.4% are) and within 15 minutes (94%).
Total trip9h 50mSJU 01:00 to IAH 09:50, 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.