Siberian carrier outperforms likes of British Airways, American Airlines and Air Canada in global list.
A new direct international flight have started on April 1 between Irkutsk and the key Chinese trading city of Guangzhou.
A major drive to boost the role of Novosibirsk was launched at the world's largest travel trade exhibition in Berlin.
All Nippon Airways tours Tolmachevo and says it meets with high standards required to deal with planes that divert between Japan and Europe.
Cabin attendant Irina Olaru, 22, planned to wed when she was cruelly killed on doomed in Sinai.