Exhibit 99.1 October 23, 2025 Media Relations Ryan St. John Media contact: Investor/analyst contact: (206) 304-0008 VP Finance, Planning and Investor Relations ALKInvestorRelations@alaskaair.com Alaska Air Group reports third quarter 2025 results Announced two new global nonstop routes from Seattle to London and Reykjavik starting May 2026 Launched Atmos™ Rewards loyalty program and exceeded premium credit card sign-up expectations Announced fleet wide installation of Starlink high-speed Wi-Fi with complime ...