AA 3337 then CA 8414 at O'Hare
Nashville → Chicago → Shanghai
Timetable, Chicago time
21:59AA 3337 from Nashville at the gate
20:45CA 8414 to Shanghai leaves the gate
22 h 46 apart on the timetable, overnight
CA 8414 leaves 22 h 46 after AA 3337 arrives on the timetable: more than half a day, so not a connection we count.