[1] In addition to airline reservations, the Galileo CRS is also used to book train travel, cruises, car rental, and hotel rooms.
In response to possible government intervention due to antitrust concerns, UA spun off the system to become its own company in 1992, Covia.
Galileo traces its roots back to 1971 when United Airlines created its first computerized central reservation system under the name Apollo.
[3] In response and to prevent possible government intervention, United Airlines spun off its Apollo reservation system, which was then controlled by Covia.
Apollo is still used by Galileo International (now part of Travelport GDS) travel agency customers in the United States, Canada, Mexico, and Japan.