Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Phoenix → Boston via Newark: arrives on time 37%
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11:40 PHX → 19:35 EWRUA 1190 · United · 4h 55m · 67% on time, 1.4% cancelled
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50m layover in Newark (EWR) · 45 min minimum on one ticket
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20:25 EWR → 21:53 BOSUA 2058 · United · 1h 28m · 61% on time, 4.8% cancelled
Total trip 7h 13m, scheduled departure to arrival (Boston is 3 h ahead of Phoenix). Times are local. Both flew on 32 of the last 56 days.
Makes the connection65%The first flight arrived more than 5 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time37%First flight not cancelled (1.4% are) × connection made (65%) × second flight not cancelled (4.8% are) and within 15 minutes (61%).
Total trip7h 13mPHX 11:40 to BOS 21:53, 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.