AA 654 then AA 3740 at DFW
Las Vegas → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
11:51AA 654 from Las Vegas at the gate
09:45AA 3740 to Acapulco leaves the gate
21 h 54 apart on the timetable, overnight
AA 3740 leaves 21 h 54 after AA 654 arrives on the timetable: more than half a day, so not a connection we count.