Air Berlin, branded as airberlin or airberlin.com was a major German airline. At its peak, it was Germany’s second-largest airline, as well as Europe’s tenth-largest airline in terms of passengers carried. It was headquartered in Berlin and had hubs at Berlin Tegel Airport and Düsseldorf Airport. It was a member of the oneworld airline alliance.
After years of losses, Air Berlin filed for insolvency on 15 August 2017 and ceased operations on 27 October 2017.