UA 5552 then K4 532 at O'Hare
Traverse City → Chicago → Seoul
Timetable, Chicago time
11:32UA 5552 from Traverse City at the gate
06:30K4 532 to Seoul leaves the gate
18 h 58 apart on the timetable, overnight
K4 532 leaves 18 h 58 after UA 5552 arrives on the timetable: more than half a day, so not a connection we count.