AA 3364 then UA 5618 at O'Hare
Detroit → Chicago → Washington National
Timetable, Chicago time
14:07AA 3364 from Detroit at the gate
14:00UA 5618 to Washington National leaves the gate
23 h 53 apart on the timetable, overnight
UA 5618 leaves 23 h 53 after AA 3364 arrives on the timetable: more than half a day, so not a connection we count.