Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Denver via Boston: arrives on time 51%
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06:00 SJU → 10:05 BOSB6 562 · JetBlue · 4h 05m · 80% on time, 2.0% cancelled
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1h 15m layover in Boston (BOS) · 45 min minimum on one ticket
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11:20 BOS → 13:55 DENB6 793 · JetBlue · 4h 35m · 60% on time, 2.0% cancelled
Total trip 9h 55m, scheduled departure to arrival (Denver is 2 h behind San Juan). Times are local. Both flew on 50 of the last 56 days.
Makes the connection89%The first flight arrived more than 30 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time51%First flight not cancelled (2.0% are) × connection made (89%) × second flight not cancelled (2.0% are) and within 15 minutes (60%).
Total trip9h 55mSJU 06:00 to DEN 13:55, 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.