Southwest Airlines primarily flies from Midway International Airport (MDW) in Chicago, where it is the largest carrier Southwest Airlines MDW Terminal hub is the MDW Terminal, which offers various domestic flights throughout the United States as well as foreign destinations. The terminal, which is well-known for its quick services and customer-friendly policies, is conveniently located near check-in counters, security, and gates. Passengers benefit from amenities such as food alternatives, shopping outlets, and comfortable waiting spaces, which ensure a seamless trip experience. Southwest’s location at MDW makes it a convenient option for Chicago passengers.