UA 463 then AA 2414 at Dulles
Kansas City → Washington → Dallas-Fort Worth
Timetable, Washington time
15:00UA 463 from Kansas City at the gate
14:42AA 2414 to Dallas-Fort Worth leaves the gate
23 h 42 apart on the timetable, overnight
AA 2414 leaves 23 h 42 after UA 463 arrives on the timetable: more than half a day, so not a connection we count.