AA 5030 then DL 5845 at Philadelphia
Montréal → Philadelphia → Boston
Timetable, Philadelphia time
09:28AA 5030 from Montréal at the gate
09:00DL 5845 to Boston leaves the gate
23 h 32 apart on the timetable, overnight
DL 5845 leaves 23 h 32 after AA 5030 arrives on the timetable: more than half a day, so not a connection we count.