AA 2602 then DL 5704 at Boston
Phoenix → Boston → Washington National
Timetable, Boston time
20:52AA 2602 from Phoenix at the gate
20:15DL 5704 to Washington National leaves the gate
23 h 23 apart on the timetable, overnight
DL 5704 leaves 23 h 23 after AA 2602 arrives on the timetable: more than half a day, so not a connection we count.