Travelers can enjoy free Wi-Fi and access to charging stations at the United Airlines SFO Terminal, which is a modern and spacious space with efficient check-in counters, a variety of dining options, and ample seating areas. United's premium services, such as the Polaris Lounge, provide additional comfort for business and first-class travelers, but it can get crowded during peak hours and security lines may be longer. All things considered, the terminal is well-maintained and has all the amenities that passengers need.