AA 1953 then AA 1408 at DFW
New York JFK → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
18:38AA 1953 from New York JFK at the gate
10:49AA 1408 to Huatulco leaves the gate
16 h 11 apart on the timetable, overnight
AA 1408 leaves 16 h 11 after AA 1953 arrives on the timetable: more than half a day, so not a connection we count.