AA 3722 then AA 1408 at DFW
Austin → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
20:28AA 3722 from Austin at the gate
10:49AA 1408 to Huatulco leaves the gate
14 h 21 apart on the timetable, overnight
AA 1408 leaves 14 h 21 after AA 3722 arrives on the timetable: more than half a day, so not a connection we count.