Exhibit 99.1 April 18, 2024 Media contact: Investor/analyst contact: Media Relations Ryan St. John (206) 304-0008 VP Finance, Planning and Investor Relations ALKInvestorRelations@alaskaair.com Alaska Air Group reports first quarter 2024 results Achieved record first quarter operating revenue of $2.2 billion Ratified new agreement with AMFA-represented employees SEATTLE — Alaska Air Group (NYSE: ALK) today reported financial results for the first quarter ending March 31, 2024, and provided outlook for the se ...