DL 1697 then AA 1198 at Boston
Phoenix → Boston → Philadelphia
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
16:00AA 1198 to Philadelphia leaves the gate
19 h apart on the timetable, overnight
AA 1198 leaves 19 h after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.