AA 2534 then CZ 438 at O'Hare
Charlotte → Chicago → Shanghai
Timetable, Chicago time
11:05AA 2534 from Charlotte at the gate
01:45CZ 438 to Shanghai leaves the gate
14 h 40 apart on the timetable, overnight
CZ 438 leaves 14 h 40 after AA 2534 arrives on the timetable: more than half a day, so not a connection we count.