AA 2437 then AA 518 at Charlotte
Pittsburgh → Charlotte → Fort Lauderdale
Timetable, Charlotte time
09:35AA 2437 from Pittsburgh at the gate
09:05AA 518 to Fort Lauderdale leaves the gate
23 h 30 apart on the timetable, overnight
AA 518 leaves 23 h 30 after AA 2437 arrives on the timetable: more than half a day, so not a connection we count.