AA 1659 then B6 2148 at Charlotte
Buffalo → Charlotte → Fort Lauderdale
Timetable, Charlotte time
09:09AA 1659 from Buffalo at the gate
09:00B6 2148 to Fort Lauderdale leaves the gate
23 h 51 apart on the timetable, overnight
B6 2148 leaves 23 h 51 after AA 1659 arrives on the timetable: more than half a day, so not a connection we count.