 The original soft launch on 2 April 2013 was cancelled just a few hours prior, and was postponed indefinitely due to unsatisfactory safety related issues that needed further reviewing taking nine months to address.Hamad International Airport was then set to begin passenger operations in January 2014, with a soft opening.Qatar Airways threatened a $600 million lawsuit against the joint venture contractor Lindner Depa Interiors for delaying the opening of the airport by failing to complete its lounges on time; LDI stated that it was delayed due to inadequate site access.