With a huge domestic route network and a small number of international flights, Southwest Airlines Chicago Midway International Airport is the main airline at Chicago Midway International Airport (MDW). Southwest serves as a main hub for the airline, with regular flights to locations in the Caribbean, Central America, Mexico, and the United States. Southwest is a popular airline for both business and leisure visitors because of its inexpensive rates, two free checked baggage, and no-change-fee policy. The airline mostly uses Concourses A, B, and C at Midway, which have easy check-in kiosks and effective security. A seamless travel experience is guaranteed by Southwest's customer-focused service and the airport's small structure.