Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Columbus via Houston: arrives on time 88%
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05:00 DEN → 08:32 IAHUA 320 · United · 2h 32m · 97% on time, 0.5% cancelled
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3h 43m layover in Houston (IAH) · 45 min minimum on one ticket
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12:15 IAH → 16:05 CMHUA 4072 · United, flown by Mesa · 2h 50m · 89% on time, 0.0% cancelled
Total trip 9h 05m, scheduled departure to arrival (Columbus is 2 h ahead of Denver). Times are local. Both flew on 35 of the last 56 days.
Makes the connection100%The first flight arrived more than 178 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 43m layover.
Arrives on time88%First flight not cancelled (0.5% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip9h 05mDEN 05:00 to CMH 16:05, 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.