AA 856 then AA 3740 at DFW
Detroit → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
11:54AA 856 from Detroit at the gate
09:45AA 3740 to Acapulco leaves the gate
21 h 51 apart on the timetable, overnight
AA 3740 leaves 21 h 51 after AA 856 arrives on the timetable: more than half a day, so not a connection we count.