AA 2622 then AA 1778 at Charlotte
Hartford → Charlotte → Cancún
Timetable, Charlotte time
13:27AA 2622 from Hartford at the gate
13:10AA 1778 to Cancún leaves the gate
23 h 43 apart on the timetable, overnight
AA 1778 leaves 23 h 43 after AA 2622 arrives on the timetable: more than half a day, so not a connection we count.