Shares of Seattle, WA-based airline heavyweight Alaska Air Group (ALK) have had a good time on the bourses of late, improving in double-digits over the past 30 days. The encouraging price performance resulted in ALK outperforming its industry in the said time frame. Moreover, ALK’s price performance compares favorably with that of fellow U.S. airline operators Southwest Airlines Co. (LUV) ) and Delta Air Lines (DAL) in the same time frame.One-Month Price Comparison Image Source: Zacks Investment ResearchCur ...