AA 518 then LF 3936 at Charlotte
Fort Lauderdale → Charlotte → Altoona
Timetable, Charlotte time
14:05AA 518 from Fort Lauderdale at the gate
13:25LF 3936 to Altoona leaves the gate
23 h 20 apart on the timetable, overnight
LF 3936 leaves 23 h 20 after AA 518 arrives on the timetable: more than half a day, so not a connection we count.