The Berlin Airlift of 1948-49 involved more than 250,000 flights carrying food and supplies into West Berlin, after the Soviet Union cut off road and rail corridors on June 24, 1948. The Airlift officially ended on September 30, 1949, after the Soviets re-established surface traffic. When Stalin cut off supplies to Berlin, the British and American Allies In Berlin refused to give in to his blockade, and instead joined forces to deliver supplies to the city by air throughout a harsh winter in 1948. Dewey: 943.087 BUR.