DALLAS (AP) - American Airlines' parent company says it lost $904 million in December - more than in the first nine months of 2011 combined.
Revenue was $2 billion in December, American's first full month operating while under bankruptcy protection.
AMR Corp. also listed $4 billion in cash and short-term investments. That's down from $4.3 billion at the end of September.
AMR filed for bankruptcy protection on Nov. 29. It lost $884 million in the first nine months of 2011 and about $11 billion since 2001.
For December, the company said its operating loss was $728 million. That figure excludes some reorganization costs, including $102 million for aircraft-refinancing negotiations and $14 million in professional fees.