AA 1672 then K4 221 at O'Hare
Harrisburg → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:29AA 1672 from Harrisburg at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
21 h 06 apart on the timetable, overnight
K4 221 leaves 21 h 06 after AA 1672 arrives on the timetable: more than half a day, so not a connection we count.