AA 373 then AA 3740 at DFW
San Diego → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
12:28AA 373 from San Diego at the gate
09:45AA 3740 to Acapulco leaves the gate
21 h 17 apart on the timetable, overnight
AA 3740 leaves 21 h 17 after AA 373 arrives on the timetable: more than half a day, so not a connection we count.