AC 7041 then AC 2048 at Montréal
Washington → Montréal → Halifax
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
18:55AC 2048 to Halifax leaves the gate
18 h 48 apart on the timetable
AC 2048 leaves 18 h 48 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.