UA 5547 then K4 532 at O'Hare
Indianapolis → Chicago → Seoul
Timetable, Chicago time
11:12UA 5547 from Indianapolis at the gate
06:30K4 532 to Seoul leaves the gate
19 h 18 apart on the timetable, overnight
K4 532 leaves 19 h 18 after UA 5547 arrives on the timetable: more than half a day, so not a connection we count.