Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Charlotte Amalie via Dulles: arrives on time 79%
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05:45 BOS → 07:23 IADUA 1734 · United · 1h 38m · 97% on time, 2.3% cancelled
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52m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:15 IAD → 12:20 STTUA 1443 · United · 4h 05m · 87% on time, 1.0% cancelled
Total trip 6h 35m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection94%The first flight arrived more than 7 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time79%First flight not cancelled (2.3% are) × connection made (94%) × second flight not cancelled (1.0% are) and within 15 minutes (87%).
Total trip6h 35mBOS 05:45 to STT 12:20, 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.