Core Insights - Delta Air Lines, Inc. (DAL) is one of the largest American airline companies providing scheduled air transportation for passengers and cargo globally [1] - DAL also owns a jet fuel refinery, which is utilized for its operations [1] Company Overview - Delta Air Lines operates in the airline industry, focusing on both passenger and cargo transportation [1] - The company has integrated operations by owning a jet fuel refinery, enhancing its operational efficiency [1] Industry Context - The airline industry is characterized by significant competition and the need for operational efficiency [1] - Companies in this sector are influenced by macroeconomic trends, regulatory changes, and consumer behavior [1]