AA 2570 then K4 532 at O'Hare
Salt Lake City → Chicago → Seoul
Timetable, Chicago time
21:55AA 2570 from Salt Lake City at the gate
12:15K4 532 to Seoul leaves the gate
14 h 20 apart on the timetable, overnight
K4 532 leaves 14 h 20 after AA 2570 arrives on the timetable: more than half a day, so not a connection we count.