AA 1249 then AA 3867 at Charlotte
Pensacola → Charlotte → Key West
Timetable, Charlotte time
14:49AA 1249 from Pensacola at the gate
12:45AA 3867 to Key West leaves the gate
21 h 56 apart on the timetable, overnight
AA 3867 leaves 21 h 56 after AA 1249 arrives on the timetable: more than half a day, so not a connection we count.