AA 3402 then AA 1408 at DFW
Columbia Regional → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
19:15AA 3402 from Columbia Regional at the gate
10:23AA 1408 to Huatulco leaves the gate
15 h 08 apart on the timetable, overnight
AA 1408 leaves 15 h 08 after AA 3402 arrives on the timetable: more than half a day, so not a connection we count.