AA 6299 then CZ 438 at O'Hare
Flint → Chicago → Shanghai
Timetable, Chicago time
07:00AA 6299 from Flint at the gate
19:25CZ 438 to Shanghai leaves the gate
12 h 25 apart on the timetable
CZ 438 leaves 12 h 25 after AA 6299 arrives on the timetable: more than half a day, so not a connection we count.