Air Berlin reported operating results for the month and year-to-date of December 2016. The company reported an increase of 1.8% in the number of available seat kilometers (ASK) as compared to the corresponding month of the previous year. In December, the number of passengers traveling on airberlin worldwide decreased by 1.3%, to 1,646,214 passengers. In contrast, at 2.863 billion kilometers (-0.1%), the revenue passenger kilometers (RPK) remained virtually stable in yearly comparison. The company reported that for the December month capacity was 2,208,417, ASK was 3,652 million and RPK is 2,863 million. For the year-to-date, the company reported capacity was 35,644,508, Number of passengers was 28,920,991, ASK was 54,341 million and RPK is 45,815 million.