AA 3613 then AA 1355 at DFW
Amarillo → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
17:46AA 3613 from Amarillo at the gate
13:11AA 1355 to Oklahoma City leaves the gate
19 h 25 apart on the timetable, overnight
AA 1355 leaves 19 h 25 after AA 3613 arrives on the timetable: more than half a day, so not a connection we count.