Exhibit 99.1 CONTACT: Investor Relations Corporate Communications 404-715-2170 404-715-2554 InvestorRelations@delta.com Media@delta.com Delta Air Lines Announces December Quarter and Full Year 2024 Financial Results Delivered record December quarter revenue and operating profit with industry-leading operational performance Reported record full year 2024 revenue, $5 billion of pre-tax income, $8 billion of operating cash flow and $3.4 billion of free cash flow Guiding to 2025 earnings of greater than $7.35 p ...