AA 620 then AA 1408 at DFW
Omaha → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
18:45AA 620 from Omaha at the gate
10:23AA 1408 to Huatulco leaves the gate
15 h 38 apart on the timetable, overnight
AA 1408 leaves 15 h 38 after AA 620 arrives on the timetable: more than half a day, so not a connection we count.