The airline operates an extensive network including holiday destinations in the Mediterranean region, the Canary Islands and North Africa as well as intercontinental destinations in Southeast Asia, the Caribbean and the Americas.
Air Berlin concentrates on serving major German and European cities to attract business traffic. A total of 23 German cities are served, more than any other airline. Its largest hub is Berlin-Tegel Airport, followed by Düsseldorf Airport. Other important destinations are the focus cities Nuremberg Airport and Son Sant Joan Airport, Palma.
On 26 July 2010, the Oneworld airline alliance announced that Air Berlin had been invited to join. Full membership is planned for the start of 2012.
The airline is headquartered at the Airport Bureau Center in Charlottenburg-Wilmersdorf, Berlin.
Air Berlin's parent company, airberlin group or Air Berlin PLC, is publicly traded (FSE: AB1, ISIN is GB00B128C026).
In March 2011, it had 8,900 employees. The airline (including subsidiaries) carried 33.6 million passengers in 2010.