Delta Airways is offering three new flights including Liberia, Barcelona, and Milan. On January 11, 2025, seasonal nonstop service between Liberia, Costa Rica and Boston launched and runs 3 times per week. Daily nonstop service from Boston to Barcelona, Spain will launch on May 22, 2025, and will run daily. On May 23, 2025, a new route with daily nonstop service will run between Boston and Milan Malpensa Airport.