Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Grand Rapids → Denver via Chicago: arrives on time 40%
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18:25 GRR → 18:48 ORDUA 5516 · United, flown by SkyWest · 1h 23m · 51% on time, 5.4% cancelled
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1h 12m layover in Chicago (ORD) · 45 min minimum on one ticket
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20:00 ORD → 22:01 DENUA 767 · United · 3h 01m · 71% on time, 2.2% cancelled
Total trip 5h 36m, scheduled departure to arrival (Denver is 2 h behind Grand Rapids). Times are local. Both flew on 27 of the last 56 days.
Makes the connection60%The first flight arrived more than 27 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time40%First flight not cancelled (5.4% are) × connection made (60%) × second flight not cancelled (2.2% are) and within 15 minutes (71%).
Total trip5h 36mGRR 18:25 to DEN 22:01, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.