AA 4339 then AA 4716 at Detroit
New York LaGuardia → Detroit → Washington National
Timetable, Detroit time
13:24AA 4339 from New York LaGuardia at the gate
13:11AA 4716 to Washington National leaves the gate
23 h 47 apart on the timetable, overnight
AA 4716 leaves 23 h 47 after AA 4339 arrives on the timetable: more than half a day, so not a connection we count.