AA 4264 then K4 221 at O'Hare
Sioux Falls → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
09:02AA 4264 from Sioux Falls at the gate
21:20K4 221 to Cincinnati Northern Kentucky leaves the gate
12 h 18 apart on the timetable
K4 221 leaves 12 h 18 after AA 4264 arrives on the timetable: more than half a day, so not a connection we count.