AA 1238 then Y8 7456 at O'Hare
Fort Myers → Chicago → Shanghai
Timetable, Chicago time
19:46AA 1238 from Fort Myers at the gate
19:10Y8 7456 to Shanghai leaves the gate
23 h 24 apart on the timetable, overnight
Y8 7456 leaves 23 h 24 after AA 1238 arrives on the timetable: more than half a day, so not a connection we count.