Southwest Airlines Chicago Midway International Airport is the primary airline at Chicago Midway International Airport (MDW), with a vast domestic route network and a limited number of international flights. With frequent flights to destinations in the Caribbean, Central America, Mexico, and the US, Southwest acts as the airline's primary hub. Due to its low prices, free two checked bags, and no-change-fee policy, Southwest is a well-liked airline for both business and pleasure travelers. The airline mostly uses Midway's Concourses A, B, and C because of its user-friendly check-in kiosks and strong security. Southwest's customer-focused service and the airport's compact layout ensure a smooth travel experience.