Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → San Juan via New York: arrives on time 80%
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06:00 MIA → 09:05 JFKAA 1040 · American · 3h 05m · 90% on time, 1.4% cancelled
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3h 25m layover in New York (JFK) · 90 min minimum on separate tickets
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12:30 JFK → 16:29 SJUDL 1961 · Delta · 3h 59m · 84% on time, 1.1% cancelled
Total trip 10h 29m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 115 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 25m layover.
Arrives on time80%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (1.1% are) and within 15 minutes (84%).
Total trip10h 29mMIA 06:00 to SJU 16:29, 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.