AA 3802 then K4 221 at O'Hare
Springfield Branson National → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:36AA 3802 from Springfield Branson National at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
18 h 59 apart on the timetable, overnight
K4 221 leaves 18 h 59 after AA 3802 arrives on the timetable: more than half a day, so not a connection we count.