Singapore Airlines (abbreviation: SIA) is the flag carrier airline of Singapore with its hub at Singapore Changi Airport. The airline is notable for using the Singapore Girl as its central figure in corporate branding.[2] It has been ranked as the world's best airline by Skytrax four times and topped Travel & Leisure's best airline rankings for more than 20 years.[3]

Singapore Airlines Group has more than 20 subsidiaries, including many airline-related subsidiaries. SIA Engineering Company handles maintenance, repair, and overhaul (MRO) business across nine countries, with a portfolio of 27 joint ventures, including with Boeing and Rolls-Royce. Singapore Airlines Cargo operates SIA's freighter fleet and manages the cargo-hold capacity in SIA's passenger aircraft.[4] Scoot, a wholly owned subsidiary, operates as a low-cost carrier.