UA 3501 then UA 5992 at O'Hare
Kansas City → Chicago → Washington National
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
15:00UA 5992 to Washington National leaves the gate
21 h 55 apart on the timetable, overnight
UA 5992 leaves 21 h 55 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.