Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Grand Rapids via Denver: arrives on time 87%
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05:15 IAH → 06:47 DENUA 1874 · United · 2h 32m · 96% on time, 0.0% cancelled
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3h 11m layover in Denver (DEN) · 45 min minimum on one ticket
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09:58 DEN → 14:35 GRRUA 2637 · United · 2h 37m · 88% on time, 0.0% cancelled
Total trip 8h 20m, scheduled departure to arrival (Grand Rapids is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 146 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 11m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip8h 20mIAH 05:15 to GRR 14:35, 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.