AA 2359 then AA 1408 at DFW
Denver → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
16:24AA 2359 from Denver at the gate
10:23AA 1408 to Huatulco leaves the gate
17 h 59 apart on the timetable, overnight
AA 1408 leaves 17 h 59 after AA 2359 arrives on the timetable: more than half a day, so not a connection we count.