AA 3820 then AA 1408 at DFW
Sioux Falls → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
20:23AA 3820 from Sioux Falls at the gate
10:23AA 1408 to Huatulco leaves the gate
14 h apart on the timetable, overnight
AA 1408 leaves 14 h after AA 3820 arrives on the timetable: more than half a day, so not a connection we count.