AA 4711 then CA 8414 at O'Hare
Des Moines → Chicago → Shanghai
Timetable, Chicago time
21:13AA 4711 from Des Moines at the gate
20:45CA 8414 to Shanghai leaves the gate
23 h 32 apart on the timetable, overnight
CA 8414 leaves 23 h 32 after AA 4711 arrives on the timetable: more than half a day, so not a connection we count.