CRAWLEY, England – British Airways has announced that it is introducing First class on its popular flight to Las Vegas next summer, from June 1, 2011 and it will also be increasing capacity by 18 per CRAWLEY, England – British Airways has announced that it is introducing First class on its popular flight to Las Vegas next summer, from June 1, 2011 and it will also be increasing capacity by 18 per cent. The direct daily flight to Las Vegas from Terminal 5 at Heathrow was launched a year ago (October 2009) and is currently operated by a three-class Boeing 777. A four-class B747 offering BA’s First cabin will replace it.