AA 9908 then CK 626 at O'Hare
Milwaukee → Chicago → Shanghai
Timetable, Chicago time
08:20AA 9908 from Milwaukee at the gate
00:01CK 626 to Shanghai leaves the gate
15 h 41 apart on the timetable, overnight
CK 626 leaves 15 h 41 after AA 9908 arrives on the timetable: more than half a day, so not a connection we count.