DL 4654 then DL 818 at Atlanta
Knoxville → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
09:44DL 4654 from Knoxville at the gate
22:59DL 818 to Dallas-Fort Worth leaves the gate
13 h 15 apart on the timetable
DL 818 leaves 13 h 15 after DL 4654 arrives on the timetable: more than half a day, so not a connection we count.