5 Largest Airlines in the World in 2024

4. United Airlines Holdings, Inc. (NASDAQGS:UAL)

Market Capitalization: $14.20 billion

United Airlines Holdings, Inc., a publicly traded airline holding company based in the Willis Tower in Chicago, has reported its financial results for the fourth quarter and full year of 2023, ending 31 December. The company posted full-year diluted earnings per share of $7.89 and adjusted full-year diluted earnings per share of $10.05. United Airlines met its initial full-year target of $10 to $12, as set at the beginning of 2023.