AA 2300 then CA 3174 at O'Hare
Miami → Chicago → Guangzhou
Timetable, Chicago time
22:07AA 2300 from Miami at the gate
13:40CA 3174 to Guangzhou leaves the gate
15 h 33 apart on the timetable, overnight
CA 3174 leaves 15 h 33 after AA 2300 arrives on the timetable: more than half a day, so not a connection we count.