Published on Sep 16, 2019
An Airline Reservation System is part of the Passenger Service Systems ( PSS ), which are applications supporting the direct contact with the passenger. The Airline Reservations System (ARS) was one of the earliest changes to improve efficiency.
ARS eventually evolved into the Computer Reservations System (CRS).
A Computer Reservation System is used for the reservations of a particular airline and interfaces with a Global Distribution System (GDS) which supports travel agencies and other distribution channels in making reservations for most major airlines in a single system