Jet Airways India Ltd, the country’s oldest private airline, has registered a 53% increase in domestic passengers in December 2009 over the corresponding period the previous year, and a 28% increase in international traffic, chief executive officer Nikos Kardassis told Mint on Tuesday. The numbers do not include traffic for JetLite India Ltd, the low-fare unit of the company. The October-December period is considered peak season for domestic airlines. Kardassis said the airline is also evaluating a proposal to reconvert at least two medium-sized planes from its low-fare brand Jet Airways Konnect to full-service Jet Airways brand. He attributed increase in passenger traffic to a combination of factors, including the introduction of Konnect, improved on-time performance of JetLite and its strategy to create New Delhi and Mumbai as major operational hubs for travel to and from India. In a statement released to the media, the airline said that the average seat occupancy for international operations for December was at 84.9%, while domestic operations witnessed 78.2% for the same period. JetLite has also registered 23.4% increase in passengers carried for December 2009. Jet Airways shares rose by 1.15% on the Bombay Stock Exchange to close at Rs540.35 on Tuesday. The bellwether Sensex fell 0.59% to 17,422.51 points.