Kenya Airways' RPK passenger traffic fell by 1.7% year-on-year in the second quarter of 2012.
Capacity for the Middle East and Southeast Asia regions grew by 34.5% compared with the same quarter of the previous year, while for Europe it shrunk by 13.8%.
The airline said declining European capacity reflected rationalisation in response to the Eurozone crisis, as well as the suspension of its Rome service.
The northern Africa region grew by 4.2% in capacity, while eastern Africa saw 11.4% growth. In southern Africa capacity grew by 3%, and in western African it was up 9.1%.
Domestic capacity within Kenya fell by 9.6% year-on-year in the second quarter.
Passenger load factor for the period fell 2 percentage points to 65.9%. Cargo capacity grew by 1.6%, while tonnage remained broadly flat year-on-year.