AA 2541 then K4 221 at O'Hare
Newark → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
16:17AA 2541 from Newark at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
18 h 18 apart on the timetable, overnight
K4 221 leaves 18 h 18 after AA 2541 arrives on the timetable: more than half a day, so not a connection we count.