At the Paris Air Show 2019, Air Lease Corporation signed a letter of intent for 50 A220-300s, thus becoming the first major leasing company to order the type. In July 2019, Air France–KLM announced a commitment for 60 A220-300s, plus options for a further 60 aircraft, to be delivered from September 2021 to replace Air France's A318 and A319 fleet. Air France noted its interest in converting some orders to a stretched variant of the A220, but Airbus still had no plan to stretch the airliner as of November 2019. The Memorandum of Understanding (MOU) would bring the backlog to a total of 611 aircraft, though up to 110 of these are indefinitely deferred "ghost" orders recorded before the Airbus partnership. On 18 December 2019, the airline holding company firmed up order for 60 Airbus A220s.