AA 1397 then AA 3740 at DFW
Houston → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
15:31AA 1397 from Houston at the gate
11:23AA 3740 to Acapulco leaves the gate
19 h 52 apart on the timetable, overnight
AA 3740 leaves 19 h 52 after AA 1397 arrives on the timetable: more than half a day, so not a connection we count.