DL 3091 then KE 36 at Atlanta
Charleston (South Carolina) → Atlanta → Seoul
Timetable, Atlanta time
12:36DL 3091 from Charleston (South Carolina) at the gate
12:25KE 36 to Seoul leaves the gate
23 h 49 apart on the timetable, overnight
KE 36 leaves 23 h 49 after DL 3091 arrives on the timetable: more than half a day, so not a connection we count.