Analyze the relationship between 'Alaska Airlines' and 'Alaska Air Group' within the context of the input sentence.
Options: employer, developer, original broadcaster, parent organization

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.
parent organization