Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Salt Lake City via Chicago: arrives on time 76%
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06:00 BOS → 07:58 ORDUA 1414 · United · 2h 58m · 95% on time, 2.4% cancelled
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57m layover in Chicago (ORD) · 45 min minimum on one ticket
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08:55 ORD → 11:39 SLCUA 1972 · United · 3h 44m · 84% on time, 1.3% cancelled
Total trip 7h 39m, scheduled departure to arrival (Salt Lake City is 2 h behind Boston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection93%The first flight arrived more than 12 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time76%First flight not cancelled (2.4% are) × connection made (93%) × second flight not cancelled (1.3% are) and within 15 minutes (84%).
Total trip7h 39mBOS 06:00 to SLC 11:39, 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.