Transportation March passenger volume up 8.5% on Europe demand but uncertainty looms Planes sit on the tarmac at Kansai International Airport in Osaka. Some airlines have benefited from higher demand between Asia and Europe. (Photo by Hiromasa Matsuura) SINGAPORE — Rising fuel prices are prompting Asian airlines to cut more flights in the coming months, with a regional industry group saying the Middle East conflict is adding uncertainty to global air travel demand.