Delta Air Lines Inc. reported unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2012. For the quarter, the company reported total operating revenue of $8,602 million compared to $8,399 million a year ago. Operating income was $352 million compared to $726 million a year ago. Income before income taxes was $10 million compared to $417 million a year ago. Net income was $7 million or $0.01 per diluted share compared to $425 million or $0.50 per diluted share a year ago. Non-GAAP net income was $238 million or $0.28 per diluted share. Net cash provided by operations was $550 million and net cash provided by operations, adjusted was $586 million. Net capital expenditures were $599 million.

For the year, the company reported total operating revenue of $36,670 million compared to $35,115 million a year ago. Operating income was $2,175 million compared to $1,975 million a year ago. Income before income taxes was $1,025 million compared to $769 million a year ago. Net income was $1,009 million or $1.19 per diluted share compared to $854 million or $1.01 per diluted share a year ago. Non-GAAP net income was $1,552 million compared to $1,190 million a year ago. Adjusted net debt as on December 31, 2012 was $11.7 billion compared to $17 billion as on December 31, 2009. Net cash provided by operating activities was $8.1 billion.

The company provided earnings guidance for the first quarter of 2013. The company expects operating margin to be in the range of 2.5-4.5%, Capital expenditures to be in the range of $500-600 million.