AA 3333 then AA 3740 at DFW
St Louis → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
12:07AA 3333 from St Louis at the gate
09:45AA 3740 to Acapulco leaves the gate
21 h 38 apart on the timetable, overnight
AA 3740 leaves 21 h 38 after AA 3333 arrives on the timetable: more than half a day, so not a connection we count.