NEWARK, N.J. – United Airlines is embarking on its largest international expansion, adding 10 destinations in Europe and Asia for summer 2027, with its new Airbus A321XLR aircraft set to operate some of the new routes, the airline announced Tuesday.

Eight of the new destinations will have no other U.S. airline offering nonstop service, according to United.

The A321XLR, which United calls its “Born to Explore” aircraft, will be deployed on new routes from Newark to Luxembourg City, Ibiza, Valencia and Marseille, and from Washington Dulles to Toulouse.

United plans to begin flying the A321XLR on select domestic routes in September before putting it into international service Dec. 1 on flights from Washington Dulles to Amsterdam and Dublin.

The aircraft features 32 premium seats, including 20 United Polaris suites and 12 United Premium Plus seats.

United said it also will feature a Polaris suite with a privacy door, Starlink Wi-Fi for MileagePlus members, 4K OLED screens and redesigned Economy Plus seating.

The new destinations are San Francisco to Okinawa, Japan; Newark to Luxembourg City, Luxembourg; Washington Dulles to Toulouse, France; Newark to Ljubljana, Slovenia; Newark to Olbia, Sardinia; Newark to Catania, Sicily; Newark to Ibiza, Spain; Newark to Valencia, Spain; Newark to Marseille, France; and Newark to Terceira in Portugal’s Azores.

United also plans new flights to destinations it already serves, including daily service from Los Angeles to Osaka, Japan; three-times-weekly service from Washington Dulles to Milan; and daily service from Denver to Paris.

United said it has added 58 international destinations since 2017 and now serves more than 160 international destinations.

Tuesday’s announcement came a week after United said it had completed the first phase of an expansion of its pilot training center in Denver.

The airline said it has hired more than 9,500 pilots since announcing its United Next growth strategy in 2021.

All new routes are subject to government approval.