AA 777 then AA 1408 at DFW
Las Vegas → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
20:20AA 777 from Las Vegas at the gate
10:49AA 1408 to Huatulco leaves the gate
14 h 29 apart on the timetable, overnight
AA 1408 leaves 14 h 29 after AA 777 arrives on the timetable: more than half a day, so not a connection we count.