Located at San Francisco International Airport, the United Airlines SFO Terminal is a key gateway for travelers flying to destinations across the U.S. and around the world. United operates from Terminal 3 for domestic routes and Boarding Area G in the International Terminal for long-haul flights. These areas are connected by a secure walkway, allowing passengers to move easily between... https://terminal-guide.com/united-airlines-sfo-terminal-san-francisco-international-airport/