UA 3501 then AS 9720 at O'Hare
Kansas City → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
16:40AS 9720 to Columbus (Ohio) leaves the gate
23 h 35 apart on the timetable, overnight
AS 9720 leaves 23 h 35 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.