This report provides a comprehensive financial analysis of the airline industry, focusing on the performance of Lufthansa, Turkish Airlines, and Emirates. The analysis employs various financial ratios, including profitability, liquidity, and solvency ratios, to assess the financial health and efficiency of each company. The report compares the gross profit and net profit margins of Lufthansa and Turkish Airlines, revealing significant differences in their profitability trends over several years. Liquidity ratios, such as current and quick ratios, are calculated to evaluate the companies' ability to meet short-term obligations. Solvency ratios, particularly the debt-equity ratio, are used to assess long-term financial stability. The report also includes an analysis of investment ratios, such as earnings per share (EPS), to evaluate how effectively each company utilizes shareholders' investments. The findings highlight the strengths and weaknesses of each airline, providing insights into their financial strategies and overall performance. This student assignment is available on Desklib, a platform offering AI-based study tools.