AA 5838 then AA 2394 at Charlotte
Florence → Charlotte → New York JFK
Timetable, Charlotte time
07:29AA 5838 from Florence at the gate
07:08AA 2394 to New York JFK leaves the gate
23 h 39 apart on the timetable, overnight
AA 2394 leaves 23 h 39 after AA 5838 arrives on the timetable: more than half a day, so not a connection we count.