Carnival Cruise Line has pushed back its planned return by another six weeks to June..
United Airlines has secured $5 billion from the US government to stave off layoffs, but..
Emirates is claiming to be the first airline in the world to carry out on-site..
Singapore Airlines group passenger traffic plunged more than 60% in March as SIA touts incentives..
The Federal Aviation Administration plans to hit Delta Air Lines with a $156,000 civil penalty..