UA 3501 then AA 4770 at O'Hare
Kansas City → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
11:57AA 4770 to Columbus (Ohio) leaves the gate
18 h 52 apart on the timetable, overnight
AA 4770 leaves 18 h 52 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.