Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Des Moines via Chicago: arrives on time 47%
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17:09 IAH → 20:05 ORDUA 2135 · United · 2h 56m · 68% on time, 0.6% cancelled
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1h 20m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:25 ORD → 22:56 DSMUA 1839 · United · 1h 31m · 60% on time, 2.9% cancelled
Total trip 5h 47m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection82%The first flight arrived more than 35 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time47%First flight not cancelled (0.6% are) × connection made (82%) × second flight not cancelled (2.9% are) and within 15 minutes (60%).
Total trip5h 47mIAH 17:09 to DSM 22:56, 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.