AA 4976 then AA 1408 at DFW
Lincoln → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
16:56AA 4976 from Lincoln at the gate
10:23AA 1408 to Huatulco leaves the gate
17 h 27 apart on the timetable, overnight
AA 1408 leaves 17 h 27 after AA 4976 arrives on the timetable: more than half a day, so not a connection we count.