AA 4798 then Y8 7456 at O'Hare
Little Rock → Chicago → Shanghai
Timetable, Chicago time
22:00AA 4798 from Little Rock at the gate
19:10Y8 7456 to Shanghai leaves the gate
21 h 10 apart on the timetable, overnight
Y8 7456 leaves 21 h 10 after AA 4798 arrives on the timetable: more than half a day, so not a connection we count.