AA 454 then AA 3740 at DFW
Lubbock → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
13:57AA 454 from Lubbock at the gate
09:45AA 3740 to Acapulco leaves the gate
19 h 48 apart on the timetable, overnight
AA 3740 leaves 19 h 48 after AA 454 arrives on the timetable: more than half a day, so not a connection we count.