Japan’s All Nippon Airways (ANA) said Monday the worldwide grounding of Boeing’s Dreamliner forced it to cancel 335 flights up to next Sunday, affecting nearly 48,000 passengers. ANA said cancellations on domestic routes from January 16, the day that one of its Dreamliners made an emergency landing, sparking a global alert, to January 27 amount to 292 flights for 44,074 passengers. Forty-three international flights have been cut, affecting 3,778 passengers, the airline said. Flights affected include those from Tokyo to San Jose, Seattle and Beijing. Boeing’s cutting-edge new planes suffered a series of glitches earlier this month, prompting a global alert from the US Federal Aviation Administration that led to the worldwide grounding of all 50 operational 787s. The risk of fire from overheating powerpacks emerged as a major concern after pilots were forced to land a domestic ANA flight on Janaury 16 due to smoke apparently linked to the lithium-ion battery. But the US agency in charge of transportation safety on Sunday said a fire sparked after a Japan Airlines 787 landed in Boston on January 7 was not caused by an overcharged battery.