Utilize the input text as a context reference, choose the right relationship between 'Alaska Airlines' and 'Alaska Air Group' from the options.
Options: member of, distribution format, owned by, platform

Alaska Air Group , parent of Alaska Airlines and Horizon Air, posted second-quarter GAAP net income of $234 million, up 41.8% year-over-year (YOY) from net income of $165 million in the 2014 June quarter.
owned by