Air Berlin has announced a one percent increase in its passenger turnover during 2008.
A total of 28,559,220 people flew on the airline's routes over the course of the year, 286,253 more than in 2007.
The airline also said that its fleet capacity utilisation increased to 78.4 percent, which represented a rise of 1.2 percentage points from 2007's figure of 77.2 percent.
Revealing Air Berlin's 2008 performance, a company press release said: "For December 2008, Air Berlin's revenue per available seat kilometre reached 5.35 Eurocents, an increase of 17.6 percent over the corresponding month of the previous year."
The airline announced last month that it would launch a new daily flight to St Petersburg from Dusseldorf this summer.
Air Berlin passengers will also benefit from the reintroduction of a daily flight between Berlin-Tegel and the Russian city.
The new flights will operate between May 1st and October 31st.
Air Berlin began its services in 1992. It now flies to over 130 destinations across the world.