AA 4622 then CZ 2502 at O'Hare
Louisville → Chicago → Shanghai
Timetable, Chicago time
07:15AA 4622 from Louisville at the gate
20:50CZ 2502 to Shanghai leaves the gate
13 h 35 apart on the timetable
CZ 2502 leaves 13 h 35 after AA 4622 arrives on the timetable: more than half a day, so not a connection we count.