SEATTLE, June 8, 2017 /PRNewswire/ -- Alaska Air Group Inc. (NYSE: ALK) today reported May and year-to-date operational results on a consolidated basis, for its mainline operations operated by subsidiaries Alaska Airlines, Inc. (Alaska) and Virgin America Inc. (Virgin America), and for its regional flying operated by subsidiary Horizon Air Industries, Inc. (Horizon) and third-party regional carriers SkyWest Airlines and Peninsula Airlines (Regional).

Air Group's acquisition of Virgin America took place on Dec.14, 2016. Operational results below include Virgin America results from pre-acquisition periods for comparison.

AIR GROUP
On a combined basis for all operations, Air Group reported a 7.6 percent increase in traffic on a 5.9 percent increase in capacity compared to May 2016. Load factor increased 1.4 points to 86.5 percent.

ALASKA
Alaska reported a 9.6 percent increase in traffic on a 6.7 percent increase in capacity compared to May 2016. Load factor increased 2.2 points to 87.6 percent. Alaska also reported 82.6 percent of its flights arrived on time in May 2017, compared to 90.3 percent reported in May 2016.

VIRGIN AMERICA
Virgin America traffic increased 2.6 percent on a 3.5 percent increase in capacity compared to May 2016. Load factor decreased 0.7 points to 85.4 percent. Virgin America also reported 58.7 percent of its flights arrived on time in May 2017, compared to 76.7 percent in May 2016.

REGIONAL
Regional traffic increased 7.3 percent on a 6.0 percent increase in capacity compared to May 2016. Load factor increased 0.9 points to 80.5 percent. Regional also reported 86.4 percent of its flights arrived on time in May 2017, compared to 91.7 percent in May 2016.