AA 4330 then K4 221 at O'Hare
Springfield (SPI) → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
16:30AA 4330 from Springfield (SPI) at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
18 h 05 apart on the timetable, overnight
K4 221 leaves 18 h 05 after AA 4330 arrives on the timetable: more than half a day, so not a connection we count.