Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → San Diego via Dulles: arrives on time 80%
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09:25 BOS → 11:07 IADUA 2098 · United · 1h 42m · 91% on time, 2.0% cancelled
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1h 33m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:40 IAD → 15:03 SANUA 2163 · United · 5h 23m · 85% on time, 0.4% cancelled
Total trip 8h 38m, 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 connection96%The first flight arrived more than 48 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 33m layover.
Arrives on time80%First flight not cancelled (2.0% are) × connection made (96%) × second flight not cancelled (0.4% are) and within 15 minutes (85%).
Total trip8h 38mBOS 09:25 to SAN 15:03, 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.