AA 6228 then CZ 2502 at O'Hare
Sioux Falls → Chicago → Shanghai
Timetable, Chicago time
09:10AA 6228 from Sioux Falls at the gate
01:45CZ 2502 to Shanghai leaves the gate
16 h 35 apart on the timetable, overnight
CZ 2502 leaves 16 h 35 after AA 6228 arrives on the timetable: more than half a day, so not a connection we count.