AA 475 then AA 6238 at DFW
New York JFK → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
09:37AA 475 from New York JFK at the gate
08:25AA 6238 to Amarillo leaves the gate
22 h 48 apart on the timetable, overnight
AA 6238 leaves 22 h 48 after AA 475 arrives on the timetable: more than half a day, so not a connection we count.