United Airlines is once again flexing its muscle as the nation's most international carrier, adding three new destinations in the Asia-Pacific region for the upcoming winter season.

United Airlines is planning to launch new flights this year to Australia and Asia as part of a broader effort by the carrier to deploy new widebody jets to more far-flung destinations.

United Airlines plans to add daily flights to Vietnam and Thailand in October, further expanding the network for the U.S. carrier that already has the most Asia service.

United Airlines is expanding its network to include daily flights to Bangkok and Ho Chi Minh City, with routes connecting through Hong Kong from Los Angeles and San Francisco. The carrier is launching a new route from San Francisco to Adelaide and adding a second daily flight to Manila to meet growing demand.

Airplanes from Los Angeles and San Francisco that are headed for Hong Kong (China) will then go on to the two new destinations – Thailand’s Bangkok and Vietnam’s Ho Chi Minh City.

United is set to add new destinations to its route map this winter, becoming the only U.S. airline to serve these markets. These routes are scheduled to begin later this year. In Asia, the Chicago-based airline will begin serving Bangkok,

United Airlines announced it will increase its flights out of SFO by 20% this summer. The airline will offer about 300 daily flights, which United claims is more than any other airline in the Bay Area.

United Airlines on Wednesday announced expanded service to Asia becoming only U.S. carrier with daily flights to Ho Chi Minh City, Vietnam and Bangkok, Thailand on Oct. 26.