Apollo Reservation System was developed by United Airlines in 1976 as their reservation system. It was bought by Galileo International Inc in 1997. Various United Airlines tails United Airlines, the primary subsidiary of the UAL Corporation, is a major airline of the United States headquartered in unincorporated Elk Grove Township, Illinois, near Chicagos OHare International Airport, the airlines largest traffic hub. ... 1976 (MCMLXXVI) was a leap year starting on Thursday. ... 1997 (MCMXCVII) was a common year starting on Wednesday of the Gregorian calendar. ...
The Amadeus Global Travel Distribution System is an electronic reservation system. ... The Galileo Central Reservations System is one of the main computer reservation systems designed for the travel industry by a consortium of airlines. ... Worldspan is a technology company that specializes in travel related software and systems. ... Sabre is a computer reservations system used by airlines, railways, hotels, and other travel companies. ...