AA 3015 then Y8 7456 at O'Hare
Charlotte → Chicago → Shanghai
Timetable, Chicago time
11:00AA 3015 from Charlotte at the gate
01:35Y8 7456 to Shanghai leaves the gate
14 h 35 apart on the timetable, overnight
Y8 7456 leaves 14 h 35 after AA 3015 arrives on the timetable: more than half a day, so not a connection we count.