AA 3289 then AA 6238 at DFW
New York LaGuardia → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
11:29AA 3289 from New York LaGuardia at the gate
08:25AA 6238 to Amarillo leaves the gate
20 h 56 apart on the timetable, overnight
AA 6238 leaves 20 h 56 after AA 3289 arrives on the timetable: more than half a day, so not a connection we count.