SEATTLE, April 4, 2011 /PRNewswire/ -- Alaska Air Group, Inc. (NYSE: ALK) today reported March operational results for its subsidiaries, Alaska Airlines (Alaska) and Horizon Air (Horizon).

ALASKA AIRLINES

Alaska reported a 19.3 percent increase in traffic on a 15.3 percent increase in capacity, resulting in a 2.9-point increase in load factor to a record 87.4 percent. Alaska also reported that 82.6 percent of its flights arrived on time in March, a 4.6-point decrease compared to the 87.2 percent reported in March 2010. March on-time results were negatively impacted by a computer system outage that disrupted operations on March 26.

The following table shows the operational results for March 2011 and year-to-date, compared to the prior-year periods:

HORIZON AIR

Horizon reported a 0.1 percent decline in traffic on a 7.5 percent decline in capacity compared to March 2010, resulting in a 5.8-point increase in load factor to a record 79.1 percent. Horizon also reported that 80.2 percent of its flights arrived on time in March 2011, a 10.9-point decrease compared to the 91.1 percent reported in March 2010. Like Alaska, Horizon's on-time performance results were negatively impacted by a computer system outage that disrupted operations on March 26.  

The following table shows the operational results for March 2011 and year-to-date, compared to the prior-year periods:

Alaska Airlines and Horizon Air, subsidiaries of Alaska Air Group (NYSE: ALK), together serve more than 90 cities through an expansive network in Alaska, the Lower 48, Hawaii, Canada and Mexico. Alaska Airlines ranked "Highest in Customer Satisfaction Among Traditional Network Carriers" in the J.D. Power and Associates 2008, 2009 and 2010 North America Airline Satisfaction Studies(SM). For reservations, visit alaskaair.com. For more news and information, visit the Alaska Airlines/Horizon Air Newsroom at alaskaair.com/newsroom.

SOURCE Alaska Air Group, Inc.