AA 3852 then Y8 7456 at O'Hare
Chattanooga → Chicago → Shanghai
Timetable, Chicago time
11:04AA 3852 from Chattanooga at the gate
01:35Y8 7456 to Shanghai leaves the gate
14 h 31 apart on the timetable, overnight
Y8 7456 leaves 14 h 31 after AA 3852 arrives on the timetable: more than half a day, so not a connection we count.