AA 3574 then CZ 2502 at O'Hare
Springfield Branson National → Chicago → Shanghai
Timetable, Chicago time
21:55AA 3574 from Springfield Branson National at the gate
20:50CZ 2502 to Shanghai leaves the gate
22 h 55 apart on the timetable, overnight
CZ 2502 leaves 22 h 55 after AA 3574 arrives on the timetable: more than half a day, so not a connection we count.