U.S. Airlines Unveil Extensive Route Expansions for 2026 Summer Season

U.S. Airlines Unveil Extensive Route Expansions for 2026 Summer Season

April 27, 2026 — Major U.S. airlines are significantly expanding their networks with a wave of new domestic and international routes set to launch throughout 2026. This expansion, predominantly focused on the spring and summer travel seasons, will introduce numerous nonstop options across Europe, Asia, and within the United States.

United Airlines Expands International Nonstop Service

United Airlines is adding four new international nonstop destinations from Newark Liberty International Airport (EWR) in 2026. The airline will be the sole U.S. carrier offering direct flights to these locations:

• Newark to Split, Croatia: Launching April 30, 2026, with three weekly flights.
• Newark to Bari, Italy: Commencing May 1, 2026, with four weekly flights. This will be the only U.S. nonstop service to Bari.
• Newark to Santiago de Compostela, Spain: Beginning May 22, 2026, with three weekly flights.

Additionally, United will inaugurate its first service between Washington Dulles International Airport (IAD) and Reykjavik, Iceland, on May 21, 2026, with daily nonstop flights. A new year-round daily service from Newark to Seoul, South Korea, is also scheduled to launch in September 2026, as part of the airline's Pacific expansion.

Delta Air Lines Boosts Transatlantic Connectivity

Delta Air Lines is preparing for its largest transatlantic schedule in its history for summer 2026, introducing seven new routes to Europe from Boston, New York City, and Seattle:

• Boston to Madrid, Spain: Starting May 6, 2026.
• Boston to Nice, France: Starting May 16, 2026.
• New York City to Olbia, Sardinia: Starting May 20, 2026.
• New York City to Porto, Portugal: Starting May 21, 2026.
• New York City to Malta: Starting June 7, 2026.
• Seattle to Rome, Italy: Starting May 6, 2026.
• Seattle to Barcelona, Spain: Starting May 7, 2026.

Delta reports it will operate over 650 weekly flights to nearly 30 destinations across Europe, signifying its most extensive transatlantic offering to date.

American Airlines Expands European Reach

American Airlines is expanding its European network with several new routes, aiming for a record 18 daily flights from the U.S. to Italy and Greece during the summer of 2026. Key new services include:

• Dallas Fort Worth to Athens, Greece: Launching May 21, 2026.
• Dallas Fort Worth to Zurich, Switzerland: Seasonal service from May 21 to August 4, 2026. This will be the only nonstop service connecting these two cities.
• Miami to Milan, Italy: Launching March 29, 2026.
• Philadelphia to Budapest, Hungary: Launching May 21, 2026. This flight will be the only nonstop service from the U.S. to Budapest.
• Philadelphia to Prague, Czech Republic: Launching May 21, 2026.

Alaska Airlines Increases West Coast and Alaska Service

Alaska Airlines is expanding its footprint with additional routes from Anchorage, Alaska, and Portland, Oregon. For summer 2026, the airline will offer 17 nonstop destinations from Anchorage, its highest number to date, including new services to Boise, Boston, and Spokane. From Portland, Alaska Airlines is adding four new routes:

• Portland to Bellingham, Washington: Launching March 18, 2026.
• Portland to Everett, Washington: Launching June 10, 2026.
• Portland to Jackson Hole, Wyoming: Seasonal service from June 10 to September 30, 2026.
• Portland to Pasco, Washington: Launching June 10, 2026.

These expansions across multiple major U.S. airlines highlight a robust outlook for air travel in 2026, offering consumers a wider array of choices for both domestic and international destinations.