The oneworld member airlines are in the process of rebuilding their schedules after decreasing flights earlier this year.
American Airlines has restored more than 460 flights a week, serving a total of 50-plus cities that have reflected increased demand.
Cathay Pacific Airways flew 90 percent of its originally planned timetable in August. The schedule was to be restored to 100 percent by September.
British Airways has restored its Hong Kong flights to twice daily, and started flying again to Nairobi.
Qantas Airways has increased service to the U.S. from 25 to 30 flights per week.
Finnair began service in September to Shanghai, China with three weekly flights, and now offers 26 weekly flights from Helsinki to Asia.