UA 3501 then AA 4717 at O'Hare
Kansas City → Chicago → Madison
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
09:30AA 4717 to Madison leaves the gate
16 h 25 apart on the timetable, overnight
AA 4717 leaves 16 h 25 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.