AA 3476 then AA 3740 at DFW
Huntsville → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
11:53AA 3476 from Huntsville at the gate
09:45AA 3740 to Acapulco leaves the gate
21 h 52 apart on the timetable, overnight
AA 3740 leaves 21 h 52 after AA 3476 arrives on the timetable: more than half a day, so not a connection we count.