AA 3056 then CA 3174 at O'Hare
Miami → Chicago → Guangzhou
Timetable, Chicago time
18:14AA 3056 from Miami at the gate
13:40CA 3174 to Guangzhou leaves the gate
19 h 26 apart on the timetable, overnight
CA 3174 leaves 19 h 26 after AA 3056 arrives on the timetable: more than half a day, so not a connection we count.