The SFO International Airport customer survey involving 2,831 respondents rated safety and cleanliness positively, achieving a high Net Promoter Score with 89% of passengers likely to recommend the airport. Key areas for improvement include security screening, restaurant food variety, and retail stores, with specific recommendations like enhancing support for elderly passengers and diversifying restaurant offerings. Overall, the survey highlights a strong passenger experience but indicates opportunities for enhanced services, especially for international travelers and business passengers.