AA 4964 then K4 221 at O'Hare
South Bend → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
17:44AA 4964 from South Bend at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
16 h 51 apart on the timetable, overnight
K4 221 leaves 16 h 51 after AA 4964 arrives on the timetable: more than half a day, so not a connection we count.