Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Boston via Newark: arrives on time 72%
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06:00 SJU → 09:59 EWRB6 2890 · JetBlue · 3h 59m · 88% on time, 4.2% cancelled
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2h 00m layover in Newark (EWR) · 90 min minimum on separate tickets
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11:59 EWR → 13:16 BOSUA 1669 · United · 1h 17m · 85% on time, 1.6% cancelled
Total trip 7h 16m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.
Makes the connection90%The first flight arrived more than 30 minutes late on 10% of the days it flew: too late for the 90-minute minimum connection on a 2h 00m layover.
Arrives on time72%First flight not cancelled (4.2% are) × connection made (90%) × second flight not cancelled (1.6% are) and within 15 minutes (85%).
Total trip7h 16mSJU 06:00 to BOS 13:16, 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.