DL 706 then DL 5175 at Atlanta
Denver → Atlanta → Knoxville
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
16:35DL 5175 to Knoxville leaves the gate
22 h 34 apart on the timetable, overnight
DL 5175 leaves 22 h 34 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.