Complaints against airlines up 30% in 2015 – LA Times
http://www.latimes.com/business/la-fi-complaints-against-airlines-in-2015-20160218-story.html
“The number of complaints filed by air travelers with the U.S. Department of Transportation jumped 30% in 2015 over the previous year, with complaints about airfares nearly doubling, according to data released Thursday by the federal agency.”