AA 4711 then QR 76 at O'Hare
Des Moines → Chicago → Milan
Timetable, Chicago time
21:10AA 4711 from Des Moines at the gate
14:45QR 76 to Milan leaves the gate
17 h 35 apart on the timetable, overnight
QR 76 leaves 17 h 35 after AA 4711 arrives on the timetable: more than half a day, so not a connection we count.