The Airbus A321XLR could be a game changer for budget airlines. See how Wizz Air's cheap 7-hour flight would compare with British Airways.

The author in front of a Wizz A321neo, and a British Airways A321neo.Pete Syme/Business Insider; Steve Parsons/PA Images/Getty Images Wizz Air announced its first route for the Airbus A321XL… [+6928 chars]