Delta Air Lines has increased service between Kotoka International Airport in Accra, and Roberts International Airport in Monrovia, Liberia, in response to increasing customer demand for intra-Africa flights.A statement from the company said they would operate three weekly flights between the airports, with services on Wednesday, Friday and Sunday.“We have seen strong demand for our intra-Africa services from our Ghanaian customers, since we launched this service in January, with nearly 2,000 passengers travelling between Accra and Monrovia,” said Bobby Bryan, Delta’s commercial manager –West and East Africa.“These flights complement our existing nonstop services to the U.S. with convenient overnight services everyday from Ghana to either New York-JFK or Atlanta,” he added.The statement said Delta is investing more than $2 billion to improve the customer experience in the air and on the ground.Effective 1 June, Delta introduced a premium economy section, Economy Comfort, on all its intra-Africa services, including its flights from Ghana. The new seats will feature up to four additional inches of legroom and 50 percent more recline than Delta’s standard international Economy class seats.In addition, Delta plans to offer full flat-bed seating in Business Elite on all international widebody flights by 2013.