AA 5399 then AA 6097 at Charlotte
South Bend → Charlotte → Greenville-Spartanburg
Timetable, Charlotte time
08:14AA 5399 from South Bend at the gate
07:15AA 6097 to Greenville-Spartanburg leaves the gate
23 h 01 apart on the timetable, overnight
AA 6097 leaves 23 h 01 after AA 5399 arrives on the timetable: more than half a day, so not a connection we count.