DL 854 then DL 5175 at Atlanta
Springfield → Atlanta → Knoxville
Timetable, Atlanta time
18:14DL 854 from Springfield at the gate
16:35DL 5175 to Knoxville leaves the gate
22 h 21 apart on the timetable, overnight
DL 5175 leaves 22 h 21 after DL 854 arrives on the timetable: more than half a day, so not a connection we count.