AA 4504 then DL 1567 at O'Hare
South Bend → Chicago → Minneapolis
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
12:38DL 1567 to Minneapolis leaves the gate
18 h 03 apart on the timetable, overnight
DL 1567 leaves 18 h 03 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.