Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Grand Rapids → Houston via Chicago: arrives on time 75%
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07:15 GRR → 07:28 ORDUA 2137 · United · 1h 13m · 71% on time, 6.7% cancelled
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2h 57m layover in Chicago (ORD) · 45 min minimum on one ticket
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10:25 ORD → 13:23 IAHUA 2638 · United · 2h 58m · 87% on time, 0.0% cancelled
Total trip 7h 08m, scheduled departure to arrival (Houston is 1 h behind Grand Rapids). Times are local. Both flew on 30 of the last 56 days.
Makes the connection93%The first flight arrived more than 132 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 2h 57m layover.
Arrives on time75%First flight not cancelled (6.7% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 08mGRR 07:15 to IAH 13:23, 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.