AA 3164 then AA 6238 at DFW
New York JFK → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
17:50AA 3164 from New York JFK at the gate
08:25AA 6238 to Amarillo leaves the gate
14 h 35 apart on the timetable, overnight
AA 6238 leaves 14 h 35 after AA 3164 arrives on the timetable: more than half a day, so not a connection we count.