Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Grand Rapids → Houston via Denver: arrives on time 57%
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08:00 GRR → 08:54 DENUA 2648 · United · 2h 54m · 77% on time, 0.9% cancelled
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1h 13m layover in Denver (DEN) · 45 min minimum on one ticket
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10:07 DEN → 13:40 IAHUA 1129 · United · 2h 33m · 70% on time, 0.0% cancelled
Total trip 6h 40m, scheduled departure to arrival (Houston is 1 h behind Grand Rapids). Times are local. Both flew on 37 of the last 56 days.
Makes the connection82%The first flight arrived more than 28 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 1h 13m layover.
Arrives on time57%First flight not cancelled (0.9% are) × connection made (82%) × second flight not cancelled (0.0% are) and within 15 minutes (70%).
Total trip6h 40mGRR 08:00 to IAH 13:40, 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.