AA 2817 then AA 6238 at DFW
Merida → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
17:20AA 2817 from Merida at the gate
08:25AA 6238 to Amarillo leaves the gate
15 h 05 apart on the timetable, overnight
AA 6238 leaves 15 h 05 after AA 2817 arrives on the timetable: more than half a day, so not a connection we count.