CV 251 then KE 38 at O'Hare
Anchorage → Chicago → Seoul
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
11:10KE 38 to Seoul leaves the gate
16 h 10 apart on the timetable, overnight
KE 38 leaves 16 h 10 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.