DL 854 then DL 2831 at Atlanta
Springfield → Atlanta → Louisville
Timetable, Atlanta time
18:51DL 854 from Springfield at the gate
17:51DL 2831 to Louisville leaves the gate
23 h apart on the timetable, overnight
DL 2831 leaves 23 h after DL 854 arrives on the timetable: more than half a day, so not a connection we count.