AirTran Airways launched twice-daily flights to Tampa International Airport and San Juan on Tuesday.Tampa becomes the fourth U.S. city, after Atlanta, Baltimore and Orlando, with nonstop AirTran service to the Puerto Rican capitol city.The flights depart Tampa at 7:30 a.m. and 1:44 p.m. and arrive in... 

Southwest Airlines was due to cancel up to 70 more flights, or 2 per cent of its Monday schedule, as it inspected older planes for cracks in the fuselage.The airline cancelled about 600 flights and grounded 79 planes over the weekend, after a Boeing 737-300 jet sprang a 5-foot hole in the roof shortly...