AA 5649 then AA 1408 at DFW
Shreveport → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
15:50AA 5649 from Shreveport at the gate
10:49AA 1408 to Huatulco leaves the gate
18 h 59 apart on the timetable, overnight
AA 1408 leaves 18 h 59 after AA 5649 arrives on the timetable: more than half a day, so not a connection we count.