AA 6249 then K4 221 at O'Hare
Kansas City → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
11:05AA 6249 from Kansas City at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
23 h 30 apart on the timetable, overnight
K4 221 leaves 23 h 30 after AA 6249 arrives on the timetable: more than half a day, so not a connection we count.