United Airlines is set to elevate transatlantic travel in summer 2026 with nonstop flights to Split, Bari, Glasgow, and Santiago de Compostela. The expansion strengthens United’s position as the U.S. carrier with the most European destinations. Alongside new routes to Reykjavik and Seoul, the airline will offer over 850 daily flights to 150+ international cities, blending convenience, comfort, and global connectivity for travelers seeking seamless cross-continental journeys.