AA 4484 then CK 626 at O'Hare
Cleveland → Chicago → Shanghai
Timetable, Chicago time
21:56AA 4484 from Cleveland at the gate
19:15CK 626 to Shanghai leaves the gate
21 h 19 apart on the timetable, overnight
CK 626 leaves 21 h 19 after AA 4484 arrives on the timetable: more than half a day, so not a connection we count.