AA 4504 then KJ 248 at O'Hare
South Bend → Chicago → Atlanta
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
17:30KJ 248 to Atlanta leaves the gate
22 h 55 apart on the timetable, overnight
KJ 248 leaves 22 h 55 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.