Mexicana and S7 Airlines completes oneworld. With the addition of Mexicana later this year and Russia's S7 Airlines in 2010, oneworld largely will be complete, Arpey said. The alliance sees little opportunity for further expansion without diluting the revenue and traffic base of existing members. It said interline revenue rose 10% in 2008 to $2.4 billion as 8 million passengers transferred between members' flights. Turnover from alliance fares and sales activity increased 25% to $850 million. The alliance said members lost a combined $1.7 billion last year…. re: Air Transport World