Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Denver via Chicago: arrives on time 87%
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08:15 BOS → 10:12 ORDUA 1834 · United · 2h 57m · 92% on time, 0.0% cancelled
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2h 44m layover in Chicago (ORD) · 45 min minimum on one ticket
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12:56 ORD → 14:46 DENUA 1150 · United · 2h 50m · 87% on time, 0.0% cancelled
Total trip 8h 31m, scheduled departure to arrival (Denver is 2 h behind Boston). Times are local. Both flew on 31 of the last 56 days.
Makes the connection100%The first flight arrived more than 119 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 44m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip8h 31mBOS 08:15 to DEN 14:46, 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.