AA 4649 then Y8 7456 at O'Hare
Pittsburgh → Chicago → Shanghai
Timetable, Chicago time
11:03AA 4649 from Pittsburgh at the gate
01:35Y8 7456 to Shanghai leaves the gate
14 h 32 apart on the timetable, overnight
Y8 7456 leaves 14 h 32 after AA 4649 arrives on the timetable: more than half a day, so not a connection we count.