Alaska Air Group, Inc. reported combined operating results for the month and year to date ended December 2012. For the month, the company reported an 8.1% increase in traffic on a 9.0% increase in capacity compared with December 2011. The company reported revenue passengers were 2,181,000, revenue passenger miles were 2,324 million, available seat miles were 2,713 million and passenger load factor was 85.7% compared to revenue passengers of 2,094,000, revenue passenger miles of 2,149 million, available seat miles of 2,488 million and passenger load factor of 86.4% for the same period a year ago.

For the year to date, the company reported revenue passenger miles were 27,007 million and available seat miles were 31,428 million compared to revenue passenger miles of 25,032 million and available seat miles of 29,627 million for the same period a year ago.