AA 2299 then AA 3740 at DFW
St Louis → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
14:41AA 2299 from St Louis at the gate
09:45AA 3740 to Acapulco leaves the gate
19 h 04 apart on the timetable, overnight
AA 3740 leaves 19 h 04 after AA 2299 arrives on the timetable: more than half a day, so not a connection we count.