AA 3667 then K4 221 at O'Hare
Moline → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
12:36AA 3667 from Moline at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
21 h 59 apart on the timetable, overnight
K4 221 leaves 21 h 59 after AA 3667 arrives on the timetable: more than half a day, so not a connection we count.