AA 1200 then K4 221 at O'Hare
Washington National → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
11:34AA 1200 from Washington National at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
23 h 01 apart on the timetable, overnight
K4 221 leaves 23 h 01 after AA 1200 arrives on the timetable: more than half a day, so not a connection we count.