AA 6322 then CZ 2508 at O'Hare
Grand Rapids → Chicago → Guangzhou
Timetable, Chicago time
21:45AA 6322 from Grand Rapids at the gate
19:50CZ 2508 to Guangzhou leaves the gate
22 h 05 apart on the timetable, overnight
CZ 2508 leaves 22 h 05 after AA 6322 arrives on the timetable: more than half a day, so not a connection we count.