AA 5335 then AA 1502 at Charlotte
South Bend → Charlotte → Nashville
Timetable, Charlotte time
20:24AA 5335 from South Bend at the gate
19:50AA 1502 to Nashville leaves the gate
23 h 26 apart on the timetable, overnight
AA 1502 leaves 23 h 26 after AA 5335 arrives on the timetable: more than half a day, so not a connection we count.