FI 853 then K4 221 at O'Hare
Reykjavík → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
17:20FI 853 from Reykjavík at the gate
16:20K4 221 to Cincinnati Northern Kentucky leaves the gate
23 h apart on the timetable, overnight
K4 221 leaves 23 h after FI 853 arrives on the timetable: more than half a day, so not a connection we count.