United Airlines, and its poor results after its recent merger with Continental. Flight Global provides some details on United’s current difficulties. The basics:

United reported a $589 million net profit excluding special charges in 2012. With the $1.3 billion in charges, it lost $723 million.

Delta Air Lines reported a $1.6 billion net profit excluding special charges – $1.01 billion with charges – and US Airways a $537 million net profit excluding charges, which jumped a remarkable 400% year-on-year, during the year. American Airlines, which is operating under chapter 11 bankruptcy protection, lost $130 million excluding charges.