WHO warns countries to watch for suspicious flu as concern grows over Mexico, US outbreakGENEVA — The World Health Organization warned countries around the world on Saturday to be on alert for any unusual flu outbreaks after a unique new swine flu virus implicated in possibly dozens of human deaths in North America. JetBlue to adds Boston-to-Baltimore flights in September, challenging move by rival SouthwestNEW YORK — JetBlue Airways Corp. said Thursday it will launch four daily nonstop flights from Boston to Baltimore in June, following a similar move earlier this month by rival Southwest Airlines Co. Meltdown 101: Some airlines _ though not all _ see signs that drop in traffic is leveling offIn the past week, the largest U.S. airlines have reported staggering losses and a sharp downturn in traffic during the first quarter. But some airline executives think the worst might be over. Boeing reports 50 percent drop in 1st-quarter profit as airlines delay delivery of new planesPITTSBURGH — Boeing Co., the world’s second-largest plane maker, said Wednesday its first-quarter profit dropped by half, hurt by production cuts as airlines postpone deliveries of new planes. It also forecast lower earnings for the year and reduced aircraft prices. |