DL 2571 then DL 3093 at Atlanta
Knoxville → Atlanta → Louisville
Timetable, Atlanta time
19:17DL 2571 from Knoxville at the gate
19:15DL 3093 to Louisville leaves the gate
23 h 58 apart on the timetable, overnight
DL 3093 leaves 23 h 58 after DL 2571 arrives on the timetable: more than half a day, so not a connection we count.