Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Boston via Miami: arrives on time 38%
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16:00 JFK → 19:26 MIAAA 1479 · American · 3h 26m · 68% on time, 0.0% cancelled
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54m layover in Miami (MIA) · 45 min minimum on one ticket
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20:20 MIA → 23:41 BOSAA 2539 · American · 3h 21m · 59% on time, 1.8% cancelled
Total trip 7h 41m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection66%The first flight arrived more than 9 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time38%First flight not cancelled (0.0% are) × connection made (66%) × second flight not cancelled (1.8% are) and within 15 minutes (59%).
Total trip7h 41mJFK 16:00 to BOS 23:41, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.