United Airlines has announced its largest international expansion, launching service to eight new cities starting May 2025. The airline will introduce five non-stop flights from Newark/New York to destinations including Nuuk, Greenland, and Palermo, Italy, along with three new routes from Washington D.C./Dulles, including a year-round flight to Dakar, Senegal. The summer 2025 Transatlantic schedule will feature over 760 weekly flights, enhancing connections to popular cities like Venice and Athens. United also plans new routes to Ulaanbaatar, Mongolia, and Kaohsiung, Taiwan, offering customers unique travel options.