Back أكبر شركات الطيران في العالم Arabic Llista d'aerollinies más grandes del mundu AST Донъяның иң эре авикомпаниялары Bashkir বিশ্বের বৃহত্তম বিমানসংস্থাসমূহ Bengali/Bangla Aerolínies més grans del món Catalan Liste der größten Fluggesellschaften der Welt German Anexo:Aerolíneas más grandes del mundo Spanish Suurimate lennufirmade loend Estonian بزرگترین شرکتهای هواپیمایی Persian Luettelo maailman suurimmista lentoyhtiöistä Finnish
 | This article may require copy editing for consistency in terminology and style across data tables, summaries, images, and captions. (January 2024) |
The largest airlines in the world can be defined in several ways. As of 2023[update], Delta Air Lines was the largest by revenue, assets, fleet size, market capitalization and brand value; American Airlines Group by passengers carried and employees; FedEx Express by freight tonne-kilometers; Southwest Airlines by routes; and Turkish Airlines by countries served.
According to Forbes in 2023, Delta Air Lines had the highest revenue among public airlines, followed by American Airlines Group and United Airlines Holdings. Emirates and Qatar Airways, being state-owned and privately held respectively, are not included in this list. Brand Finance, in 2024, ranks Delta Air Lines as the most valuable airline brand, followed by American Airlines and United Airlines. Emirates and Qatar Airways also feature prominently in terms of brand value.
American Airlines Group carried the most passengers in 2022, followed by Delta Air Lines and Ryanair. United Airlines, Lufthansa, and Southwest Airlines also rank highly in passenger numbers, highlighting the dominance of US and European carriers in flight volume.