AA 4635 then CA 1018 at O'Hare
Washington National → Chicago → Shanghai
Timetable, Chicago time
23:40AA 4635 from Washington National at the gate
22:35CA 1018 to Shanghai leaves the gate
22 h 55 apart on the timetable, overnight
CA 1018 leaves 22 h 55 after AA 4635 arrives on the timetable: more than half a day, so not a connection we count.