AA 2564 then K4 221 at O'Hare
Los Angeles → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
12:21AA 2564 from Los Angeles at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
22 h 14 apart on the timetable, overnight
K4 221 leaves 22 h 14 after AA 2564 arrives on the timetable: more than half a day, so not a connection we count.