Emirates Airlines planes parked at the Dubai International Airport. The carrier said it was denied necessary daily slots to make a route from Dubai to Mexico City feasible. EPA Emirates has scrapped plans for a route linking Dubai to Mexico via Spain after Mexican authorities denied it the necessary slots, blocking its access to the Latin American nation of more than 100 million.The Dubai-based airline has withdrawn its application to operate daily flights from its Dubai hub to Mexico City via Barcelona after Mexican authorities granted Emirates permission for three weekly flights rather than the . . .