AA 6215 then UA 3378 at O'Hare
Kansas City → Chicago → Richmond
Timetable, Chicago time
09:05AA 6215 from Kansas City at the gate
08:30UA 3378 to Richmond leaves the gate
23 h 25 apart on the timetable, overnight
UA 3378 leaves 23 h 25 after AA 6215 arrives on the timetable: more than half a day, so not a connection we count.