Hainan operates international regular flights and offers charter flights to 51 various destinations in 28 countries such as flights from Beijing to Almaty, Toronto, Berlin, Brussels, Seattle/Tacoma, St. Petersburg, Moscow, Tel Aviv, Chicago, Las Vegas, San Jose, California and Boston; Beijing, Xi'an, Dalian, Guangzhou, Haikou to Taipei; Beijing, Haikou, Nanning to Bangkok; Hefei via Haikou to Singapore and others. Hainan also received official approval from the US DOT to begin nonstop flights between Beijing and Chicago. As of June 2014, Hainan began servicing Boston directly with a four-times-weekly 787 flight from Beijing Capital International Airport. It was the first direct flight between Boston and China. The airline began service in the second quarter of 2013 with the Boeing 787 Dreamliner aircraft. It was the first Chinese carrier to offer flights between the two cities. Flights from Beijing-Capital to Chicago-O'Hare began on 3 September 2013.