AA 1659 then AA 518 at Charlotte
Buffalo → Charlotte → Fort Lauderdale
Timetable, Charlotte time
09:09AA 1659 from Buffalo at the gate
09:05AA 518 to Fort Lauderdale leaves the gate
23 h 56 apart on the timetable, overnight
AA 518 leaves 23 h 56 after AA 1659 arrives on the timetable: more than half a day, so not a connection we count.