The popular low-cost airline had the fewest complaints for March 2015 overall, at just 0.46 complaints filed with the government for every 100,000 passengers. Flyers were similarly happy with JetBlue (who only received about 1.20 complaints per 100,000 passengers).
That's no surprise: Both Southwest and JetBlue ranked high in a recent list of the Best Budget Airlines in the United States. Southwest flyers love the free checked bags (where two come standard). And unsurprisingly, JetBlue was number four on a recent list of the overall Best Airlines in the United...
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