AA 1372 then AA 1778 at Charlotte
Sarasota → Charlotte → Cancún
Timetable, Charlotte time
18:49AA 1372 from Sarasota at the gate
13:10AA 1778 to Cancún leaves the gate
18 h 21 apart on the timetable, overnight
AA 1778 leaves 18 h 21 after AA 1372 arrives on the timetable: more than half a day, so not a connection we count.