DL 521 then AA 3740 at DFW
Los Angeles → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
12:40DL 521 from Los Angeles at the gate
11:23AA 3740 to Acapulco leaves the gate
22 h 43 apart on the timetable, overnight
AA 3740 leaves 22 h 43 after DL 521 arrives on the timetable: more than half a day, so not a connection we count.