AA 3449 then CZ 2502 at O'Hare
Fargo → Chicago → Shanghai
Timetable, Chicago time
15:04AA 3449 from Fargo at the gate
13:55CZ 2502 to Shanghai leaves the gate
22 h 51 apart on the timetable, overnight
CZ 2502 leaves 22 h 51 after AA 3449 arrives on the timetable: more than half a day, so not a connection we count.