UA 5831 then K4 538 at O'Hare
Traverse City → Chicago → Seoul
Timetable, Chicago time
09:37UA 5831 from Traverse City at the gate
01:45K4 538 to Seoul leaves the gate
16 h 08 apart on the timetable, overnight
K4 538 leaves 16 h 08 after UA 5831 arrives on the timetable: more than half a day, so not a connection we count.