(USA Today) British Airways is joining United Airlines in a fight against fliers who purchase tickets with plans to fly only a portion of an itinerary. For many years, savvy flyers have been using this trick — referred to as hidden-city or throwaway ticketing — to save money. Of course, this was never allowed, and if travelers are caught, airlines can close frequent-flier accounts. Historically, however, little was done besides canceling the rest of the itinerary when fliers didn’t show up, which was fine if they only booked one-ways. But now the consequences could be changing. To read more, click here.