QR 31 then AA 312 at O'Hare
Milan → Chicago → Dallas-Fort Worth
Timetable, Chicago time
11:14QR 31 from Milan at the gate
09:59AA 312 to Dallas-Fort Worth leaves the gate
22 h 45 apart on the timetable, overnight
AA 312 leaves 22 h 45 after QR 31 arrives on the timetable: more than half a day, so not a connection we count.