AA 4022 then CZ 2508 at O'Hare
Raleigh-Durham → Chicago → Guangzhou
Timetable, Chicago time
21:50AA 4022 from Raleigh-Durham at the gate
19:50CZ 2508 to Guangzhou leaves the gate
22 h apart on the timetable, overnight
CZ 2508 leaves 22 h after AA 4022 arrives on the timetable: more than half a day, so not a connection we count.