DC-9's direct descendants still operate as the 717 with a number of European, Australian, and even American companies like Delta. There are a handful of MD-82/

DC-9's direct descendants still operate as the 717 with a number of European, Australian, and even American companies like Delta. There are a handful of MD-82/83 still operating in Europe. The DC-10 and MD-11 still operate for cargo, and are the backbone of UPS, Lufthansa Cargo, FedEx, and several other smaller cargo airlines