United Airlines has announced that it will launch daily nonstop flights between San Francisco International Airport and Singapore's Changi Airport, effective June 1, 2016. This will be the first nonstop service between San Francisco and Singapore.

The service will be aboard the Boeing 787-9 Dreamliner and will be the longest scheduled 787 flight operated by any airline and the longest scheduled flight operated by any U.S. carrier, at 8,446 miles.

"We are very excited about introducing nonstop flights between San Francisco and Singapore," said Marcel Fuchs, United's vice president of Atlantic and Pacific sales. "This long-awaited service has been made possible by the newest version of our customer-pleasing Boeing 787 Dreamliner."

Flight UA1 will depart San Francisco at 11:25 p.m. daily, arriving in Singapore at 6:45 a.m. two days later local time. The return flight, UA2, will depart Singapore's Changi Airport at 8:45 a.m. daily, arriving at San Francisco International Airport at 9:15 a.m. the same day. Flying times will be approximately 15 hours, 30 minutes eastbound and 16 hours, 20 minutes westbound.