OO 6095 then K4 221 at O'Hare
Oklahoma City → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
18:49OO 6095 from Oklahoma City at the gate
16:20K4 221 to Cincinnati Northern Kentucky leaves the gate
21 h 31 apart on the timetable, overnight
K4 221 leaves 21 h 31 after OO 6095 arrives on the timetable: more than half a day, so not a connection we count.