AA 4257 then AA 1912 at DFW
Amarillo → Dallas-Fort Worth → Albuquerque
Timetable, Dallas-Fort Worth time
06:20AA 4257 from Amarillo at the gate
22:42AA 1912 to Albuquerque leaves the gate
16 h 22 apart on the timetable
AA 1912 leaves 16 h 22 after AA 4257 arrives on the timetable: more than half a day, so not a connection we count.