AA 5389 then AA 5078 at Charlotte
South Bend → Charlotte → Birmingham (Alabama)
Timetable, Charlotte time
13:10AA 5389 from South Bend at the gate
12:25AA 5078 to Birmingham (Alabama) leaves the gate
23 h 15 apart on the timetable, overnight
AA 5078 leaves 23 h 15 after AA 5389 arrives on the timetable: more than half a day, so not a connection we count.