United Airlines is expanding its service to Latin America and the Caribbean, the carrier announced Monday.

The company has announced a pair of new flights, each of which will begin on Dec. 20.

The first is service from Houston to Punta Cana, including year-round service on Saturdays and Sunday service during "periods of expected higher demand."

The company will also be adding flights from Chicago to Belize City, with Saturday service through early May 2015.

The latter is subject to government approval, the carrier said.

Additionally. United said it would be expanding its Houston Aruba service, resuming Saturday service on Dec. 20 that will last through early May 2015, along with Sunday service during periods of higher demand.

United is the largest carrier in Houston.