Southwest Airlines, the world’s largest low-cost carrier and one of the largest airlines in the United States, has made headlines in recent times with several amendments to its current offerings. Most notably, the Dallas-based carrier announced that it would be removing its free checked baggage service.It is also now looking to move away from its current point-to-point network, and focus on convenient connections through its many US hub cities. Southwest has a reputation for providing convenient, low-cost air travel to cities across the United States, the Caribbean, and Central America.