AA 3866 then AA 1607 at DFW
Merida → Dallas-Fort Worth → Cleveland
Timetable, Dallas-Fort Worth time
18:05AA 3866 from Merida at the gate
16:00AA 1607 to Cleveland leaves the gate
21 h 55 apart on the timetable, overnight
AA 1607 leaves 21 h 55 after AA 3866 arrives on the timetable: more than half a day, so not a connection we count.