AA 3131 then K4 221 at O'Hare
Minneapolis → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:55AA 3131 from Minneapolis at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
18 h 40 apart on the timetable, overnight
K4 221 leaves 18 h 40 after AA 3131 arrives on the timetable: more than half a day, so not a connection we count.