Southwest Airlines operates primarily from Terminal 1 (Harvey Milk Terminal) at San Francisco International Airport. This modern and beautifully renovated terminal is known for its spacious layout, eco-friendly design, and efficient passenger flow. The terminal features sleek interiors, natural lighting, and various facilities that cater to the comfort and convenience of travelers. Terminal 1 serves a mix of domestic airlines, and Southwest occupies a major portion of this space, offering smooth connectivity to multiple U.S. destinations. The airline’s gates are clearly marked, and passengers can easily navigate from the check-in counters to security and boarding areas. For more details and information do visit https://terminalsworld.com/airlines/southwest-airlines/southwest-airlines-san-francisco-international-airport-sfo-terminal/