AA 2135 then AA 3740 at DFW
Washington National → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
12:43AA 2135 from Washington National at the gate
09:45AA 3740 to Acapulco leaves the gate
21 h 02 apart on the timetable, overnight
AA 3740 leaves 21 h 02 after AA 2135 arrives on the timetable: more than half a day, so not a connection we count.