Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Madison via Denver: arrives on time 79%
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09:40 BOS → 12:12 DENUA 662 · United · 4h 32m · 91% on time, 0.7% cancelled
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1h 28m layover in Denver (DEN) · 45 min minimum on one ticket
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13:40 DEN → 17:04 MSNUA 4805 · United, flown by SkyWest · 2h 24m · 84% on time, 1.4% cancelled
Total trip 8h 24m, scheduled departure to arrival (Madison is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.
Makes the connection96%The first flight arrived more than 43 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 28m layover.
Arrives on time79%First flight not cancelled (0.7% are) × connection made (96%) × second flight not cancelled (1.4% are) and within 15 minutes (84%).
Total trip8h 24mBOS 09:40 to MSN 17:04, 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.