Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → San Diego via Houston: arrives on time 82%
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05:00 DEN → 08:32 IAHUA 320 · United · 2h 32m · 97% on time, 0.5% cancelled
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58m layover in Houston (IAH) · 45 min minimum on one ticket
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09:30 IAH → 10:51 SANUA 2491 · United · 3h 21m · 86% on time, 0.3% cancelled
Total trip 6h 51m, scheduled departure to arrival (San Diego is 1 h behind Denver). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 13 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time82%First flight not cancelled (0.5% are) × connection made (96%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip6h 51mDEN 05:00 to SAN 10:51, 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.