AA 3337 then CA 3174 at O'Hare
Nashville → Chicago → Guangzhou
Timetable, Chicago time
21:59AA 3337 from Nashville at the gate
13:40CA 3174 to Guangzhou leaves the gate
15 h 41 apart on the timetable, overnight
CA 3174 leaves 15 h 41 after AA 3337 arrives on the timetable: more than half a day, so not a connection we count.