AA 4499 then CA 1012 at O'Hare
Charlottesville → Chicago → Shanghai
Timetable, Chicago time
08:32AA 4499 from Charlottesville at the gate
03:55CA 1012 to Shanghai leaves the gate
19 h 23 apart on the timetable, overnight
CA 1012 leaves 19 h 23 after AA 4499 arrives on the timetable: more than half a day, so not a connection we count.