DALLAS — Armed with dollops of caviar and handfuls of Bang & Olufsen headphones, U.S. airlines are duking it out for international business-class dominance.

American Airlines and United Airlines are upgrading their international business-class seats. It's part of a growing trend as airlines race to update their premium cabins with doors, .

Vietcombank has previously arranged funding for Vietnam Airlines to purchase wide-body planes, such as the Airbus A350 and Boeing 787, as well as the narrow-body Airbus A321, the statement said.

We flew business class from Bangkok to Hanoi, and then on to Da Nang, Vietnam. We'll show you our lie-flat seats, and check out the lounges in Bangkok and Hanoi, as well as their many food options!

Airlines are in 'arms race' to unveil upgraded luxury suites New business-class seats include privacy doors, caviar service and advanced entertainment options on long-haul flights ...

United Airlines is rolling out an entirely new aircraft, the Boeing 787-9s, complete with an all-new interior that includes luxury business class suites dubbed United Polaris Studios.