Southwest Airlines boasts an impressive domestic network. The budget carrier, which is known for its free checked bag and flexible ticket policies, has expanded its footprint across the United States ...

Southwest Airlines is making some interesting new additions to its route map. The Dallas-based carrier filed plans over the weekend to add eight new domestic routes, as first seen in Cirium ...

The Dallas-based carrier is adding two new routes as part of its schedule extension. The new routes are San Diego to Fresno, ...