AA 5538 then AA 5197 at Charlotte
Gulfport → Charlotte → Valparaiso
Timetable, Charlotte time
09:19AA 5538 from Gulfport at the gate
21:23AA 5197 to Valparaiso leaves the gate
12 h 04 apart on the timetable
AA 5197 leaves 12 h 04 after AA 5538 arrives on the timetable: more than half a day, so not a connection we count.