ARLINGTON, Va.--(BUSINESS WIRE)--Expedia, Inc. (NASDAQ: EXPE), in partnership with Airlines Reporting Corporation (ARC), today released a comprehensive study that analyzed a rich set of global air travel data spotlighting air travel trends. The report, Travel Check-Up: Air Travel Trends 2015, represents the original analysis of a variety of travel data. The report analysis covers average global ticket price fluctuations on key routes, travel demand, and the growth of package savings. It also fo