Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Houston via Boston: arrives on time 85%
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06:00 SJU → 10:05 BOSB6 562 · JetBlue · 4h 05m · 80% on time, 2.0% cancelled
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3h 32m layover in Boston (BOS) · 90 min minimum on separate tickets
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13:37 BOS → 16:57 IAHUA 1976 · United · 4h 20m · 90% on time, 1.4% cancelled
Total trip 11h 57m, scheduled departure to arrival (Houston is 1 h behind San Juan). Times are local. Both flew on 53 of the last 56 days.
Makes the connection97%The first flight arrived more than 122 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 3h 32m layover.
Arrives on time85%First flight not cancelled (2.0% are) × connection made (97%) × second flight not cancelled (1.4% are) and within 15 minutes (90%).
Total trip11h 57mSJU 06:00 to IAH 16:57, 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.