Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Madison → Boston via Denver: arrives on time 48%
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15:18 MSN → 16:45 DENUA 2338 · United · 2h 27m · 73% on time, 0.8% cancelled
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55m layover in Denver (DEN) · 45 min minimum on one ticket
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17:40 DEN → 23:44 BOSUA 1356 · United · 4h 04m · 73% on time, 2.2% cancelled
Total trip 7h 26m, scheduled departure to arrival (Boston is 1 h ahead of Madison). Times are local. Both flew on 55 of the last 56 days.
Makes the connection68%The first flight arrived more than 10 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time48%First flight not cancelled (0.8% are) × connection made (68%) × second flight not cancelled (2.2% are) and within 15 minutes (73%).
Total trip7h 26mMSN 15:18 to BOS 23:44, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.