Transaero Airlines recorded 21.5% year-on-year growth in RPK passenger traffic for the month of January.
Passenger numbers grew 25.4% to 757,000. The Russian carrier did not provide figures for its capacity and load factor.
Cargo carried during the accounting month grew 15.8% year-on-year to 3,490t, while RTK cargo traffic was up by 21.5%.
For the 2012 full year, domestic passenger numbers increased by 34.5% year-on-year.
Transaero's international passenger numbers grew by 18.8% for the year. The volume of passengers transported between Russia and the US in 2012 grew by 73% over the previous year.