B6 663 then K4 221 at O'Hare
Fort Lauderdale → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:42B6 663 from Fort Lauderdale at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
20 h 53 apart on the timetable, overnight
K4 221 leaves 20 h 53 after B6 663 arrives on the timetable: more than half a day, so not a connection we count.