UA 4438 then K4 538 at O'Hare
Wilkes-Barre → Chicago → Seoul
Timetable, Chicago time
07:25UA 4438 from Wilkes-Barre at the gate
01:45K4 538 to Seoul leaves the gate
18 h 20 apart on the timetable, overnight
K4 538 leaves 18 h 20 after UA 4438 arrives on the timetable: more than half a day, so not a connection we count.