EI 123 then K4 221 at O'Hare
Dublin → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
14:10EI 123 from Dublin at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
20 h 25 apart on the timetable, overnight
K4 221 leaves 20 h 25 after EI 123 arrives on the timetable: more than half a day, so not a connection we count.