Blue skies are here for Singapore Airlines Limited (SGX: C6L), or SIA. After a turbulent two years, the airline is reporting strong numbers as it witnesses a surge in demand for air travel. SIA and its budget carrier Scoot were among the first carriers to launch services when restrictions eased in September last year. This move allowed the group to capture pent-up demand for travel, thus accelerating its recovery. For its fiscal 2022/2023 first quarter (1Q2023) ended on 30 June 2022, SIA reported its second-highest operating profit on record. Here are five other things you need to know about the airline’s latest results. 1. Soaring revenue and profits Total revenue for SIA tripled year on year from S$1.3 billion to S$3.9 billion for 1Q2023. Singapore threw open its borders to vaccinated travellers in April this year, resulting in the carrier enjoying buoyant demand for travel bookings. Two quarters ago, SIA benefitted from the expansion of the vaccinated travel lanes (VTL) scheme...