AA 6246 then CA 3174 at O'Hare
Nashville → Chicago → Guangzhou
Timetable, Chicago time
19:51AA 6246 from Nashville at the gate
13:40CA 3174 to Guangzhou leaves the gate
17 h 49 apart on the timetable, overnight
CA 3174 leaves 17 h 49 after AA 6246 arrives on the timetable: more than half a day, so not a connection we count.