AA 2586 then AA 1408 at DFW
Tucson → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
16:24AA 2586 from Tucson at the gate
10:49AA 1408 to Huatulco leaves the gate
18 h 25 apart on the timetable, overnight
AA 1408 leaves 18 h 25 after AA 2586 arrives on the timetable: more than half a day, so not a connection we count.