AA 3920 then AA 1355 at DFW
Amarillo → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
06:20AA 3920 from Amarillo at the gate
19:55AA 1355 to Oklahoma City leaves the gate
13 h 35 apart on the timetable
AA 1355 leaves 13 h 35 after AA 3920 arrives on the timetable: more than half a day, so not a connection we count.