Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Kansas City → Boston via Denver: arrives on time 80%
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06:00 MCI → 06:56 DENUA 355 · United · 1h 56m · 97% on time, 2.0% cancelled
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49m layover in Denver (DEN) · 45 min minimum on one ticket
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07:45 DEN → 13:49 BOSUA 558 · United · 4h 04m · 91% on time, 0.6% cancelled
Total trip 6h 49m, scheduled departure to arrival (Boston is 1 h ahead of Kansas City). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 4 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time80%First flight not cancelled (2.0% are) × connection made (91%) × second flight not cancelled (0.6% are) and within 15 minutes (91%).
Total trip6h 49mMCI 06:00 to BOS 13:49, 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.