AA 2929 then AA 3947 at DFW
Merida → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
17:29AA 2929 from Merida at the gate
17:26AA 3947 to Houston leaves the gate
23 h 57 apart on the timetable, overnight
AA 3947 leaves 23 h 57 after AA 2929 arrives on the timetable: more than half a day, so not a connection we count.