. . . "Maher Koubaa, VP, Middle East and Africa, Sabre Airline Solutions said: ???Beyond oil prices, customer loyalty and retention, revenue and yield and, network planning and scheduling are the most frequently identified as issues that have an impact on airline from a cost and operations standpoint.??? Walter Prenzler, CEO, Nas Air said that there are three LCCs in Saudi Arabia but still opportunities" . . . . .