Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Miami via Newark: arrives on time 20%
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17:44 BOS → 19:15 EWRUA 1647 · United · 1h 31m · 41% on time, 3.3% cancelled
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49m layover in Newark (EWR) · 45 min minimum on one ticket
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20:04 EWR → 23:22 MIAUA 1128 · United · 3h 18m · 73% on time, 3.5% cancelled
Total trip 5h 38m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection29%The first flight arrived more than 4 minutes late on 71% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time20%First flight not cancelled (3.3% are) × connection made (29%) × second flight not cancelled (3.5% are) and within 15 minutes (73%).
Total trip5h 38mBOS 17:44 to MIA 23:22, 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.