AA 5383 then AA 1408 at DFW
Huntsville → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
16:53AA 5383 from Huntsville at the gate
10:49AA 1408 to Huatulco leaves the gate
17 h 56 apart on the timetable, overnight
AA 1408 leaves 17 h 56 after AA 5383 arrives on the timetable: more than half a day, so not a connection we count.