AA 1256 then AA 2979 at Charlotte
Buffalo → Charlotte → Fort Lauderdale
Timetable, Charlotte time
20:55AA 1256 from Buffalo at the gate
20:07AA 2979 to Fort Lauderdale leaves the gate
23 h 12 apart on the timetable, overnight
AA 2979 leaves 23 h 12 after AA 1256 arrives on the timetable: more than half a day, so not a connection we count.