AC 7041 then AC 8013 at Montréal
Washington → Montréal → Ottawa
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
18:55AC 8013 to Ottawa leaves the gate
18 h 48 apart on the timetable
AC 8013 leaves 18 h 48 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.