KE 33 then DL 1374 at Atlanta
Seoul → Atlanta → Louisville
Timetable, Atlanta time
08:15KE 33 from Seoul at the gate
07:45DL 1374 to Louisville leaves the gate
23 h 30 apart on the timetable, overnight
DL 1374 leaves 23 h 30 after KE 33 arrives on the timetable: more than half a day, so not a connection we count.