Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Grand Rapids via Houston: arrives on time 68%
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07:42 DEN → 11:15 IAHUA 1720 · United · 2h 33m · 92% on time, 0.3% cancelled
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1h 00m layover in Houston (IAH) · 45 min minimum on one ticket
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12:15 IAH → 16:09 GRRUA 6134 · United, flown by Mesa · 2h 54m · 75% on time, 0.0% cancelled
Total trip 6h 27m, scheduled departure to arrival (Grand Rapids is 2 h ahead of Denver). Times are local. Both flew on 55 of the last 56 days.
Makes the connection92%The first flight arrived more than 15 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time68%First flight not cancelled (0.3% are) × connection made (92%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip6h 27mDEN 07:42 to GRR 16:09, 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.