Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → San Diego via Dulles: arrives on time 89%
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05:45 BOS → 07:23 IADUA 1734 · United · 1h 38m · 97% on time, 2.3% cancelled
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1h 03m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:26 IAD → 10:49 SANUA 1930 · United · 5h 23m · 94% on time, 0.9% cancelled
Total trip 8h 04m, scheduled departure to arrival (San Diego is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 18 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time89%First flight not cancelled (2.3% are) × connection made (97%) × second flight not cancelled (0.9% are) and within 15 minutes (94%).
Total trip8h 04mBOS 05:45 to SAN 10:49, 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.