AA 2447 then AA 6238 at DFW
New York LaGuardia → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
18:09AA 2447 from New York LaGuardia at the gate
08:25AA 6238 to Amarillo leaves the gate
14 h 16 apart on the timetable, overnight
AA 6238 leaves 14 h 16 after AA 2447 arrives on the timetable: more than half a day, so not a connection we count.