AA 855 then AA 1502 at Charlotte
Dallas-Fort Worth → Charlotte → Nashville
Timetable, Charlotte time
08:35AA 855 from Dallas-Fort Worth at the gate
23:13AA 1502 to Nashville leaves the gate
14 h 38 apart on the timetable
AA 1502 leaves 14 h 38 after AA 855 arrives on the timetable: more than half a day, so not a connection we count.