AA 1203 then AA 639 at Charlotte
Buffalo → Charlotte → West Palm Beach
Timetable, Charlotte time
14:54AA 1203 from Buffalo at the gate
14:34AA 639 to West Palm Beach leaves the gate
23 h 40 apart on the timetable, overnight
AA 639 leaves 23 h 40 after AA 1203 arrives on the timetable: more than half a day, so not a connection we count.