Southwest Airlines is a popular American airline known for its low-cost flights and friendly service. Founded in 1967, it has grown to become one of the largest airlines in the United States. The airline operates a point-to-point route system, which helps keep ticket prices affordable and allows for more direct flights to various destinations. One of the unique features of Southwest Airlines is its open seating policy, where passengers can choose their own seats after boarding. This approach, along with no fees for checked bags, makes flying with Southwest a convenient and budget-friendly option for travelers.