Southwest is preparing to end open seating and move to assigned seats and group boarding later this month. Here’s what to ...

First came assigned seats. Then checked bag fees. Up next: a move to traditional boarding groups. Southwest Airlines is reversing course on yet another key promise it made in the not-so-distant past.

Southwest Airlines is making huge changes to its business model next year, starting with a brand-new boarding process rolling out in late January. Now, we have a better idea of what that boarding ...