Originally Posted by
headinclouds
THe past 2 years the IAD-MAD has been summer seasonal flight. I would not assume that it is a permanent cancellation.
According to the Airline Route blog, it doesn't appear to restart in Summer 2011.
Originally Posted by Airline Route
As per 18OCT10 GDS timetable display, IBERIA is canceling Madrid – Washington Dulles service, with last flight operating on 29OCT10.
Inventory display of the Spanish oneWorld member is showing this route is not being resumed in Summer 2011 season