Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Los Angeles → Boston via Dulles: arrives on time 89%
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21:30 LAX → 05:36 IADUA 2632 · United · 5h 06m · 94% on time, 1.1% cancelled
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2h 59m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:35 IAD → 10:20 BOS +1 dayUA 641 · United · 1h 45m · 92% on time, 1.5% cancelled
Total trip 9h 50m, scheduled departure to arrival (Boston is 3 h ahead of Los Angeles). Times are local. Both flew on 38 of the last 56 days.
Makes the connection98%The first flight arrived more than 134 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 59m layover.
Arrives on time89%First flight not cancelled (1.1% are) × connection made (98%) × second flight not cancelled (1.5% are) and within 15 minutes (92%).
Total trip9h 50mLAX 21:30 to BOS 10:20, 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.