DL 360 then DL 5258 at Atlanta
Washington National → Atlanta → Knoxville
Timetable, Atlanta time
17:55DL 360 from Washington National at the gate
17:45DL 5258 to Knoxville leaves the gate
23 h 50 apart on the timetable, overnight
DL 5258 leaves 23 h 50 after DL 360 arrives on the timetable: more than half a day, so not a connection we count.