Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Boston via Denver: arrives on time 81%
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07:00 SLC → 08:42 DENUA 1232 · United · 1h 42m · 95% on time, 0.6% cancelled
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58m layover in Denver (DEN) · 45 min minimum on one ticket
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09:40 DEN → 15:44 BOSUA 1232 · United · 4h 04m · 86% on time, 1.0% cancelled
Total trip 6h 44m, scheduled departure to arrival (Boston is 2 h ahead of Salt Lake City). Times are local. Both flew on 55 of the last 56 days.
Makes the connection95%The first flight arrived more than 13 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time81%First flight not cancelled (0.6% are) × connection made (95%) × second flight not cancelled (1.0% are) and within 15 minutes (86%).
Total trip6h 44mSLC 07:00 to BOS 15:44, 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.