The "Luftwaffe" was able to deliver an average of of supplies per day. The most successful day, 19 December, delivered of supplies in 154 flights. In the early parts of the operation, more fuel was shipped than food and ammunition because the Germans thought they could escape from the city. Transport airplanes also flew out sick or wounded men from the city. The German attack did not reach the 6th Army. The air supply operation continued. The 6th Army slowly starved. 160 German transport aircraft were destroyed and 328 were heavily damaged. Some 266 Junkers Ju 52s were destroyed.