UA 3501 then AA 3051 at O'Hare
Kansas City → Chicago → Washington National
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
10:55AA 3051 to Washington National leaves the gate
17 h 50 apart on the timetable, overnight
AA 3051 leaves 17 h 50 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.