The global passenger service system (PSS) market, which includes the critical systems used by airlines, has witnessed significant growth from USD million to USD million from 2017 to 2022, with a CAGR of percent. The market is estimated to reach USD million by 2029. Key players in the market include KIU System Solutions, Mercator Ltd., Travel Technology Interactive, Hexaware Technologies Ltd., Intelisys Aviation Systems Inc., and others. The report focuses on market size, segment size, competitor landscape, recent status, and development trends while providing strategies for companies to overcome challenges posed by COVID-19. Applications covered in the report include railway, aviation, and others. The report details important aspects of the PSS market, including research objectives, target market identification, research methodology selection, data collection, analysis, conclusions, and recommendations. The report also covers potential pain points for the PSS market, such as the COVID-19 pandemic and the Russia-Ukraine conflict, including supply chain disruptions, shifts in consumer behavior, economic uncertainty, and political instability.