AA 3620 then Y8 7456 at O'Hare
Huntsville → Chicago → Shanghai
Timetable, Chicago time
08:30AA 3620 from Huntsville at the gate
01:35Y8 7456 to Shanghai leaves the gate
17 h 05 apart on the timetable, overnight
Y8 7456 leaves 17 h 05 after AA 3620 arrives on the timetable: more than half a day, so not a connection we count.