AA 4504 then AA 386 at O'Hare
South Bend → Chicago → Los Angeles
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
17:15AA 386 to Los Angeles leaves the gate
22 h 40 apart on the timetable, overnight
AA 386 leaves 22 h 40 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.