AC 7041 then AC 1208 at Montréal
Washington → Montréal → Miami
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
19:05AC 1208 to Miami leaves the gate
18 h 58 apart on the timetable
AC 1208 leaves 18 h 58 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.