AA 6463 then AA 1408 at DFW
Roswell → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
18:37AA 6463 from Roswell at the gate
10:49AA 1408 to Huatulco leaves the gate
16 h 12 apart on the timetable, overnight
AA 1408 leaves 16 h 12 after AA 6463 arrives on the timetable: more than half a day, so not a connection we count.