AA 4413 then CA 3174 at O'Hare
Memphis → Chicago → Guangzhou
Timetable, Chicago time
19:50AA 4413 from Memphis at the gate
13:40CA 3174 to Guangzhou leaves the gate
17 h 50 apart on the timetable, overnight
CA 3174 leaves 17 h 50 after AA 4413 arrives on the timetable: more than half a day, so not a connection we count.