US carriers are biggest earners as ancillary revenues top USD21bn
US mainline carriers are leading the effort to transform the airline business model with ancillary revenues, according to the 2010 Amadeus/IdeaWorks study which shows United/Continental, Delta and American as the top ancillary revenue earners in 2010. They were joined by only one international carrier as number four – Qantas – while US Airways was number five.
