UA 3501 then UA 441 at O'Hare
Kansas City → Chicago → Dallas-Fort Worth
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
11:47UA 441 to Dallas-Fort Worth leaves the gate
18 h 42 apart on the timetable, overnight
UA 441 leaves 18 h 42 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.