Top 5: These Are The Airbus A340-600's Busiest Routes At Lufthansa … (MUC). However, the busiest Lufthansa Airbus A340-600 route in terms … FRA and Hong Kong. The Airbus A340, including the largest … that Lufthansa received its first Airbus A340-600 on November 25th … Lufthansa will continue using the Airbus A340-600 to operate the …