Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Washington → Des Moines via Houston: arrives on time 82%
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06:00 DCA → 08:13 IAHUA 1450 · United · 3h 13m · 93% on time, 1.1% cancelled
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3h 42m layover in Houston (IAH) · 45 min minimum on one ticket
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11:55 IAH → 14:10 DSMUA 6166 · United, flown by Mesa · 2h 15m · 84% on time, 1.4% cancelled
Total trip 9h 10m, scheduled departure to arrival (Des Moines is 1 h behind Washington). Times are local. Both flew on 55 of the last 56 days.
Makes the connection99%The first flight arrived more than 177 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 42m layover.
Arrives on time82%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (1.4% are) and within 15 minutes (84%).
Total trip9h 10mDCA 06:00 to DSM 14:10, 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.