Checked bags on Southwest and Airtran got a little more expensive today

Photo Credit: Southwest touts its no bag fees policy, but fliers will pay for overweigh, oversized, and third checked bags. Flickr / Cordey
Skift Take
Southwest can’t keep base airfares low without finding somewhere to make up for losses from its free bag policy, but that means little to the consumers who only perceive Southwest’s shift towards mainstream pricing models.