AA 5672 then AA 1355 at DFW
Knoxville → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
13:38AA 5672 from Knoxville at the gate
13:11AA 1355 to Oklahoma City leaves the gate
23 h 33 apart on the timetable, overnight
AA 1355 leaves 23 h 33 after AA 5672 arrives on the timetable: more than half a day, so not a connection we count.