Southwest Airlines' new plan to charge for checked bags may be good for other carriers, according to United Airlines CEO Scott Kirby.

For many Houston travelers, Southwest Airlines isn't just a preferred airline — it's the main reason they fly out of Hobby Airport. The airline’s budget-friendly policies and Hobby’s convenient location have long made it a go-to choice,

Southwest Airlines will introduce checked bag fees for passengers without elite status. Rapid Rewards A-List Preferred and Business Select members will get free bags.