For the 2017 ratings, J.D. Power broke out airports by three categories. “Mega” airports were defined as those handling more than 32.5 million annual passengers. The “large” category included airports with 10 million to 32.4 million passengers while the “medium” category looked at airports with between 3 million and 9.9 million passengers. (www.airguideonline.com) 更多...