Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Grand Rapids → Denver via Chicago: arrives on time 44%
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19:54 GRR → 20:37 ORDAA 4729 · American, flown by Republic · 1h 43m · 67% on time, 11.1% cancelled
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1h 57m layover in Chicago (ORD) · 45 min minimum on one ticket
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22:34 ORD → 00:17 DEN +1 dayAA 1387 · American · 2h 42m · 57% on time, 3.4% cancelled
Total trip 6h 22m, scheduled departure to arrival (Denver is 2 h behind Grand Rapids). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 72 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 57m layover.
Arrives on time44%First flight not cancelled (11.1% are) × connection made (91%) × second flight not cancelled (3.4% are) and within 15 minutes (57%).
Total trip6h 22mGRR 19:54 to DEN 00:17, 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.