Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Phoenix via Dulles: arrives on time 95%
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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 27m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:50 IAD → 10:59 PHXUA 709 · United · 5h 10m · 99% on time, 0.0% cancelled
Total trip 8h 15m, scheduled departure to arrival (Phoenix is 3 h behind Boston). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection99%The first flight arrived more than 42 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 27m layover.
Arrives on time95%First flight not cancelled (2.3% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (99%).
Total trip8h 15mBOS 05:45 to PHX 10:59, 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.