F9 4548 then DL 1374 at Atlanta
Los Angeles → Atlanta → Louisville
Timetable, Atlanta time
08:06F9 4548 from Los Angeles at the gate
07:34DL 1374 to Louisville leaves the gate
23 h 28 apart on the timetable, overnight
DL 1374 leaves 23 h 28 after F9 4548 arrives on the timetable: more than half a day, so not a connection we count.