AA 5868 then AA 615 at Philadelphia
Buffalo → Philadelphia → Fort Lauderdale
Timetable, Philadelphia time
11:42AA 5868 from Buffalo at the gate
11:15AA 615 to Fort Lauderdale leaves the gate
23 h 33 apart on the timetable, overnight
AA 615 leaves 23 h 33 after AA 5868 arrives on the timetable: more than half a day, so not a connection we count.