AA 2544 then AA 1408 at DFW
Knoxville → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
16:35AA 2544 from Knoxville at the gate
10:23AA 1408 to Huatulco leaves the gate
17 h 48 apart on the timetable, overnight
AA 1408 leaves 17 h 48 after AA 2544 arrives on the timetable: more than half a day, so not a connection we count.