As of December 2025 Delta Air Lines has a market cap of ยฃ34.21 Billion. This makes Delta Air Lines the world's 509th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 15th, 2025 the market cap of Delta Air Lines was reported to be: