Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Birmingham via Houston: arrives on time 90%
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07:42 DEN → 11:15 IAHUA 1720 · United · 2h 33m · 92% on time, 0.3% cancelled
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3h 10m layover in Houston (IAH) · 45 min minimum on one ticket
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14:25 IAH → 16:20 BHMUA 6120 · United, flown by Mesa · 1h 55m · 91% on time, 0.0% cancelled
Total trip 7h 38m, scheduled departure to arrival (Birmingham is 1 h ahead of Denver). Times are local. Both flew on 32 of the last 56 days.
Makes the connection100%The first flight arrived more than 145 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 10m layover.
Arrives on time90%First flight not cancelled (0.3% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip7h 38mDEN 07:42 to BHM 16:20, 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.