AA 3337 then CA 1056 at O'Hare
Nashville → Chicago → Shanghai
Timetable, Chicago time
21:59AA 3337 from Nashville at the gate
21:15CA 1056 to Shanghai leaves the gate
23 h 16 apart on the timetable, overnight
CA 1056 leaves 23 h 16 after AA 3337 arrives on the timetable: more than half a day, so not a connection we count.