UA 3501 then AA 4222 at O'Hare
Kansas City → Chicago → Green Bay
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
12:48AA 4222 to Green Bay leaves the gate
19 h 43 apart on the timetable, overnight
AA 4222 leaves 19 h 43 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.