KE 35 then DL 2423 at Atlanta
Seoul → Atlanta → Oklahoma City
Timetable, Atlanta time
10:05KE 35 from Seoul at the gate
22:40DL 2423 to Oklahoma City leaves the gate
12 h 35 apart on the timetable
DL 2423 leaves 12 h 35 after KE 35 arrives on the timetable: more than half a day, so not a connection we count.