Jumbo jet aircraft, Boeing 747-400 of United Airlines while on taxiing before takeoff at Hong Kong International Airport. This photograph captured by Wong Chi Lam, however Hong Kong Airport also known as Chek Lap Kok Airport as well. The aircraft registered as N197UA, United Airlines Boeing 747-400 is one of the double-decker passenger aircraft, in total there are 24 747s in service.
United Airlines or usually called United is top three airlines in USA, in terms of passengers handled. Based on 2014, the carrier carried 138 million passengers, lied on third position after American Airlines and Delta Air Lines. But in terms of destinations, United Airlines is number one in the world with 375 destinations worldwide.
United Airlines is operating more than 700 aircraft, and keep increasing. The carrier has placed order for newest variant of Airbus A350-900 XWB, Boeing 787-10 Dreamliner as well as Boeing 737 MAX. The market capitalization of United was more than USD 18 billion, based on 2014 fiscal year.