AA 2735 then AA 2255 at Charlotte
Nashville → Charlotte → Pittsburgh
Timetable, Charlotte time
10:55AA 2735 from Nashville at the gate
08:55AA 2255 to Pittsburgh leaves the gate
22 h apart on the timetable, overnight
AA 2255 leaves 22 h after AA 2735 arrives on the timetable: more than half a day, so not a connection we count.