DENVER – United Airlines plans to start offering nonstop seasonal flights between Denver and London Heathrow starting next March, the airline announced Wednesday.

United says if the government approves the new flight, it will be the first airline operating out of Denver to have nonstop trans-Atlantic and trans-Pacific flights. United also offers a nonstop flight to Tokyo.

Flights would begin March 24 of next year and run seasonally through Oct. 26. The flight out of Denver would leave at 5:35 p.m. and arrive in London the next day at 9:40 a.m.

Return flights would leave Heathrow at 11:40 a.m. London time and arrive back in Denver at 2:30 p.m.

The airline will use a Boeing 787-8 Dreamliner for the flight, which has 219 seats onboard, and three-dozen business class flat-bad seats.

"For the last 80 years, United has played an integral role in serving the Denver region and helping Denver International become an essential hub connecting business and leisure travelers to destinations around the globe," said Steve Jaquith, vice president of United’s Denver hub. "Our new service to London will provide more customers with convenient one-stop opportunities from markets that are served only through Denver, and we're excited to bring this new service to the Mile High City."

Denver will also serve as a connecting hub for flights to London from other U.S. cities.

British Airways is the only other airline currently offering nonstop service between Denver and London Heathrow. But Norwegian will start nonstop flights between Denver and London Gatwick in September.