AA 3866 then AA 1355 at DFW
Merida → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
18:05AA 3866 from Merida at the gate
13:11AA 1355 to Oklahoma City leaves the gate
19 h 06 apart on the timetable, overnight
AA 1355 leaves 19 h 06 after AA 3866 arrives on the timetable: more than half a day, so not a connection we count.