DL 2879 then QR 76 at O'Hare
Atlanta → Chicago → Milan
Timetable, Chicago time
19:05DL 2879 from Atlanta at the gate
14:45QR 76 to Milan leaves the gate
19 h 40 apart on the timetable, overnight
QR 76 leaves 19 h 40 after DL 2879 arrives on the timetable: more than half a day, so not a connection we count.