Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Los Angeles → Boston via New York: arrives on time 34%
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11:55 LAX → 20:36 JFKAA 274 · American · 5h 41m · 60% on time, 2.5% cancelled
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54m layover in New York (JFK) · 45 min minimum on one ticket
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21:30 JFK → 22:59 BOSAA 4634 · American, flown by Republic · 1h 24m · 70% on time, 11.1% cancelled
Total trip 7h 59m, scheduled departure to arrival (Boston is 3 h ahead of Los Angeles). Times are local. Both flew on 56 of the last 56 days.
Makes the connection56%The first flight arrived more than 9 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time34%First flight not cancelled (2.5% are) × connection made (56%) × second flight not cancelled (11.1% are) and within 15 minutes (70%).
Total trip7h 59mLAX 11:55 to BOS 22:59, 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.