Yemen’s national carrier announced late on Saturday that its first scheduled flight in six years has been postponed. Sanaa’s international airport had failed to obtain flight operation permits, Yemenia said in a statement posted to its Facebook page, delaying the flight until further notice. “The company deeply apologises to the passengers for failing to operate Sanaa International Airport’s first flight and hopes that all problems will be overcome in the near future, allowing the company to resume its flights,” the airline said. The flight, was scheduled to depart from the port city of Aden a…