Dallas-based Southwest Airlines announced Tuesday it will begin selling its new in-house vacation package product, Getaways by Southwest, marking another new feature in its shifting business model. The product will offer customers bundled vacation packages that include airfare,

Southwest Airlines isn't done with its evolution that's brought big changes, such as the end of open seating and new fare bundles .

Southwest Airlines announced Tuesday that it is launching its own in-house vacations package product as part of a slew of changes the carrier has been making to its business model.  The platform, called Getaways by Southwest,