DL 514 then AA 2783 at Boston
Phoenix → Boston → Washington National
Timetable, Boston time
20:16DL 514 from Phoenix at the gate
09:23AA 2783 to Washington National leaves the gate
13 h 07 apart on the timetable, overnight
AA 2783 leaves 13 h 07 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.