Etihad-owned Air Berlin frequent flyer programme files for insolvency – Financial Times
Topbonus, the frequent flyer programme that Air Berlin sold to Etihad, has followed the troubled German carrier in filing for insolvency, leaving its 4.5m customers unable to use their points despite government intervention to keep Air Berlins planes in the air. The frequent flyer scheme has been a separate company 70 per cent owned by…