AA 4435 then CZ 2508 at O'Hare
Columbus (Ohio) → Chicago → Guangzhou
Timetable, Chicago time
21:18AA 4435 from Columbus (Ohio) at the gate
19:50CZ 2508 to Guangzhou leaves the gate
22 h 32 apart on the timetable, overnight
CZ 2508 leaves 22 h 32 after AA 4435 arrives on the timetable: more than half a day, so not a connection we count.