Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Columbus via Chicago: arrives on time 54%
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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 25m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:30 ORD → 23:59 CMHUA 1492 · United · 1h 29m · 67% on time, 3.3% cancelled
Total trip 5h 50m, scheduled departure to arrival (Columbus is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection84%The first flight arrived more than 40 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time54%First flight not cancelled (0.6% are) × connection made (84%) × second flight not cancelled (3.3% are) and within 15 minutes (67%).
Total trip5h 50mIAH 17:09 to CMH 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.