AA 764 then CK 626 at O'Hare
Houston → Chicago → Shanghai
Timetable, Chicago time
11:58AA 764 from Houston at the gate
00:01CK 626 to Shanghai leaves the gate
12 h 03 apart on the timetable, overnight
CK 626 leaves 12 h 03 after AA 764 arrives on the timetable: more than half a day, so not a connection we count.