KE 33 then UA 324 at Atlanta
Seoul → Atlanta → Chicago O'Hare
Timetable, Atlanta time
08:15KE 33 from Seoul at the gate
22:00UA 324 to Chicago O'Hare leaves the gate
13 h 45 apart on the timetable
UA 324 leaves 13 h 45 after KE 33 arrives on the timetable: more than half a day, so not a connection we count.