AA 3364 then CZ 2502 at O'Hare
Detroit → Chicago → Shanghai
Timetable, Chicago time
14:07AA 3364 from Detroit at the gate
13:55CZ 2502 to Shanghai leaves the gate
23 h 48 apart on the timetable, overnight
CZ 2502 leaves 23 h 48 after AA 3364 arrives on the timetable: more than half a day, so not a connection we count.