Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Grand Rapids → Philadelphia via Chicago: arrives on time 30%
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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 05m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:42 ORD → 00:55 PHL +1 dayAA 490 · American · 2h 14m · 56% on time, 12.5% cancelled
Total trip 5h 02m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection69%The first flight arrived more than 20 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time30%First flight not cancelled (11.1% are) × connection made (69%) × second flight not cancelled (12.5% are) and within 15 minutes (56%).
Total trip5h 02mGRR 19:54 to PHL 00:55, 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.