AA 2221 then CA 3174 at O'Hare
Charleston (South Carolina) → Chicago → Guangzhou
Timetable, Chicago time
18:01AA 2221 from Charleston (South Carolina) at the gate
13:40CA 3174 to Guangzhou leaves the gate
19 h 39 apart on the timetable, overnight
CA 3174 leaves 19 h 39 after AA 2221 arrives on the timetable: more than half a day, so not a connection we count.