Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Grand Rapids → Chicago via Houston: arrives on time 55%
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17:07 GRR → 19:10 IAHUA 4036 · United, flown by Mesa · 3h 03m · 68% on time, 0.0% cancelled
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1h 15m layover in Houston (IAH) · 45 min minimum on one ticket
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20:25 IAH → 23:15 ORDUA 787 · United · 2h 50m · 72% on time, 0.8% cancelled
Total trip 7h 08m, scheduled departure to arrival (Chicago is 1 h behind Grand Rapids). Times are local. Both flew on 55 of the last 56 days.
Makes the connection77%The first flight arrived more than 30 minutes late on 23% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time55%First flight not cancelled (0.0% are) × connection made (77%) × second flight not cancelled (0.8% are) and within 15 minutes (72%).
Total trip7h 08mGRR 17:07 to ORD 23:15, 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.