AC 7041 then AC 8612 at Montréal
Washington → Montréal → Boston
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
20:00AC 8612 to Boston leaves the gate
19 h 53 apart on the timetable
AC 8612 leaves 19 h 53 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.