February 2nd	American Airlines orders 25 DC-10-10s and takes an option on further 25. The aircraft American Airlines ordered was between the DC-10 and DC-10B. It became the DC-10-10.
early March	Representatives from Delta Air Lines, TWA, Air Canada and Eastern Air Lines meet at Long Beach for a possible DC-10 group contract. The contracts were lost due to Mc Donnell - Douglas' price policy of early 1968.
March 29th	TWA, Eastern Air Lines and leasing company Air Holdings announce an order for 114 Lockheed L-1011 TriStars (including options). Before that, Eastern was handled as a possible DC-10 costumer.
April 25th	United Airlines orders 30 DC-10-10 and 30 options becoming the second costumer for the DC-10. The order marked the go-ahead for the program and was considered as the most important for the whole DC-10 project.
October 29th	Northwest Airlines becomes the first costumer for the Pratt & Whitney JT9D - powered DC-10-20 (later: DC-10-40) by ordering 14 aircraft with an option on further 14. The success of this long-range aircraft and its General Electric powered sister DC-10-30 played a key role in the history of the DC-10.
November 25th	TIA orders three DC-10-30F(CF), becoming launch-costumer for the CF6-50 - powered series 30 and for the convertible freighter version (CF).