Launch from the Baikonur Cosmodrome; landing 120 km northwest of Karaganda.

The docking with space station "Salyut 1" was performed, which had been launched 3 days before. But there was no transfer of cosmonauts into the space station because of technical problems (faulty hatch of the Soyuz spacecraft). Separating occured after 5,5 hours and several attempts. It was the first night landing in the history of human spaceflights. During the landing Rukavishnikov became unconscious due of toxic air in the spacecraft.