UA 3501 then DL 3983 at O'Hare
Kansas City → Chicago → Minneapolis
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
12:30DL 3983 to Minneapolis leaves the gate
19 h 25 apart on the timetable, overnight
DL 3983 leaves 19 h 25 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.