The number of passengers using Korean Air Line Co., South Korea's top flag carrier, dropped in December apparently affected by the so-called "nut rage" that has tarnished its image among travelers, industry data showed Saturday.
Cho Hyun-ah, the eldest daughter of Korean Air chairman Cho Yang-ho, resigned as a vice president for cabin service four days after a national uproar over her conduct aboard a Seoul-bound Korean Air flight from New York on Dec. 5.