SINGAPORE -- Online travel giants Expedia and Booking.com are warning that budget airline pioneer, AirAsia Group, risks being destabilized by ambitious plans to become the "Amazon of travel".
Battle will be fought with passenger data and services

U.K. authority says a sports team owned by AirAsia's top two executives had received $50 million in illegal payments from jet maker Airbus Group. (Photo by Takaki Kashiwabara)
SINGAPORE -- Online travel giants Expedia and Booking.com are warning that budget airline pioneer, AirAsia Group, risks being destabilized by ambitious plans to become the "Amazon of travel".