Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → San Juan via Miami: arrives on time 83%
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05:10 BOS → 08:38 MIAAA 1418 · American · 3h 28m · 96% on time, 0.0% cancelled
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1h 22m layover in Miami (MIA) · 45 min minimum on one ticket
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10:00 MIA → 12:50 SJUAA 1613 · American · 2h 41m · 85% on time, 0.4% cancelled
Total trip 7h 31m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection98%The first flight arrived more than 37 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 22m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.4% are) and within 15 minutes (85%).
Total trip7h 31mBOS 05:10 to SJU 12:50, 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.