UA 2384 then K4 532 at O'Hare
Miami → Chicago → Seoul
Timetable, Chicago time
11:25UA 2384 from Miami at the gate
06:30K4 532 to Seoul leaves the gate
19 h 05 apart on the timetable, overnight
K4 532 leaves 19 h 05 after UA 2384 arrives on the timetable: more than half a day, so not a connection we count.