UA 2164 then K4 538 at O'Hare
Albany (New York) → Chicago → Seoul
Timetable, Chicago time
07:43UA 2164 from Albany (New York) at the gate
01:45K4 538 to Seoul leaves the gate
18 h 02 apart on the timetable, overnight
K4 538 leaves 18 h 02 after UA 2164 arrives on the timetable: more than half a day, so not a connection we count.