AC 7041 then AC 834 at Montréal
Washington → Montréal → Madrid
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
18:50AC 834 to Madrid leaves the gate
18 h 43 apart on the timetable
AC 834 leaves 18 h 43 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.