AA 552 then AA 1408 at DFW
Atlanta → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
19:10AA 552 from Atlanta at the gate
10:23AA 1408 to Huatulco leaves the gate
15 h 13 apart on the timetable, overnight
AA 1408 leaves 15 h 13 after AA 552 arrives on the timetable: more than half a day, so not a connection we count.