B6 518 then DL 1374 at Atlanta
Fort Lauderdale → Atlanta → Louisville
Timetable, Atlanta time
08:02B6 518 from Fort Lauderdale at the gate
07:45DL 1374 to Louisville leaves the gate
23 h 43 apart on the timetable, overnight
DL 1374 leaves 23 h 43 after B6 518 arrives on the timetable: more than half a day, so not a connection we count.