w e b 77Up to 365 in a 3-class confuration. The first -300ER was delivered to Air France end of April 2004. It has become the best selling 777 variant. The -300ER can fly 34% further than21 baris · MOST FREQUENTED AIRPORTS FOR B777-300ER AIRPORT DEPARTURES per week SEATS per week Dubai (DXB) 2,009: 724,990