Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Bozeman via Chicago: arrives on time 71%
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09:50 BOS → 11:43 ORDUA 1349 · United · 2h 53m · 87% on time, 1.8% cancelled
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1h 02m layover in Chicago (ORD) · 45 min minimum on one ticket
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12:45 ORD → 15:13 BZNUA 623 · United · 3h 28m · 82% on time, 0.0% cancelled
Total trip 7h 23m, scheduled departure to arrival (Bozeman is 2 h behind Boston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection88%The first flight arrived more than 17 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time71%First flight not cancelled (1.8% are) × connection made (88%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip7h 23mBOS 09:50 to BZN 15:13, 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.