DL 1697 then AA 2743 at Boston
Phoenix → Boston → Philadelphia
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
09:30AA 2743 to Philadelphia leaves the gate
12 h 30 apart on the timetable, overnight
AA 2743 leaves 12 h 30 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.