AA 5316 then K4 221 at O'Hare
Louisville → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:57AA 5316 from Louisville at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
20 h 38 apart on the timetable, overnight
K4 221 leaves 20 h 38 after AA 5316 arrives on the timetable: more than half a day, so not a connection we count.