AA 1146 then AA 1408 at DFW
Austin → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
19:05AA 1146 from Austin at the gate
10:49AA 1408 to Huatulco leaves the gate
15 h 44 apart on the timetable, overnight
AA 1408 leaves 15 h 44 after AA 1146 arrives on the timetable: more than half a day, so not a connection we count.