Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Washington via Houston: arrives on time 67%
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13:30 DEN → 17:04 IAHUA 1829 · United · 2h 34m · 73% on time, 0.3% cancelled
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2h 46m layover in Houston (IAH) · 45 min minimum on one ticket
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19:50 IAH → 23:59 DCAUA 2224 · United · 3h 09m · 70% on time, 0.7% cancelled
Total trip 8h 29m, scheduled departure to arrival (Washington is 2 h ahead of Denver). Times are local. Both flew on 48 of the last 56 days.
Makes the connection97%The first flight arrived more than 121 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 46m layover.
Arrives on time67%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (0.7% are) and within 15 minutes (70%).
Total trip8h 29mDEN 13:30 to DCA 23:59, 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.