AA 2498 then AA 1607 at DFW
Knoxville → Dallas-Fort Worth → Cleveland
Timetable, Dallas-Fort Worth time
19:15AA 2498 from Knoxville at the gate
16:00AA 1607 to Cleveland leaves the gate
20 h 45 apart on the timetable, overnight
AA 1607 leaves 20 h 45 after AA 2498 arrives on the timetable: more than half a day, so not a connection we count.