Airlines are making a fortune on fees, but it's not ALL bad for consumers. Subscribe to our channel! http://goo.gl/0bsAjO In The United States, checked baggage fees were introduced in 2008. Since then, ancillary fees for airline travel have become a significant source of revenue for US airlines. The amount of baggage fees paid by passengers in The United States was nearly $4 billion dollars last year. Despite the negative consequences of baggage fees, a new study has revealed one positive outcome for consumers. By comparing data from before and after the introduction of baggage fees, a group of business school researchers determined that the fees improved on-time departure performance for airlines. To read the study, click here: http://pubsonline.informs.org/doi/abs/10.1287/mnsc.2016.2500 /// Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com to get up to speed on everything from Kurdistan to the Kim Kardashian app. Check out our full video catalog: http://goo.gl/IZONyE Follow Vox on Twitter: http://goo.gl/XFrZ5H Or on Facebook: http://goo.gl/U2g06o