AA 1203 then AA 2870 at Charlotte
Buffalo → Charlotte → Fort Lauderdale
Timetable, Charlotte time
14:54AA 1203 from Buffalo at the gate
14:38AA 2870 to Fort Lauderdale leaves the gate
23 h 44 apart on the timetable, overnight
AA 2870 leaves 23 h 44 after AA 1203 arrives on the timetable: more than half a day, so not a connection we count.