AA 1681 then AA 4612 at Miami
Knoxville → Miami → Oklahoma City
Timetable, Miami time
08:16AA 1681 from Knoxville at the gate
20:59AA 4612 to Oklahoma City leaves the gate
12 h 43 apart on the timetable
AA 4612 leaves 12 h 43 after AA 1681 arrives on the timetable: more than half a day, so not a connection we count.