AA 5838 then AA 1796 at Charlotte
Florence → Charlotte → New York LaGuardia
Timetable, Charlotte time
07:29AA 5838 from Florence at the gate
07:07AA 1796 to New York LaGuardia leaves the gate
23 h 38 apart on the timetable, overnight
AA 1796 leaves 23 h 38 after AA 5838 arrives on the timetable: more than half a day, so not a connection we count.