Southwest Airlines reveals how much it will cost to check a bag

Southwest Airlines has put a price tag on checking bags, a coveted free perk that is about to disappear as part of substantial changes the carrier is making to its service.

​ Southwest Airlines has put a price tag on checking bags, a coveted free perk that is about to disappear as part of substantial changes the carrier is making to its service. Read More Breaking News, Latest News and Videos | CNN