Learn about common terms used by airlines, travel agents, and Sabre.


Sabre account credential terms

Employee Profile Record (EPR)

The individual profile of an employee within a travel agency

This profile is associated to a Pseudo City Code (PCC) or Internet Pseudo City Code (iPCC)

Internet Pseudo City Code (IPCC)

An alphanumeric identifier for an online travel agency of a Global Distribution System (GDS) such as Sabre

Used to designate agency access exclusively to Sabre APIs

Pseudo City Code (PCC)

An alphanumeric identifier that designates access to Sabre Red Workspace and Sabre APIs

Issued to a travel agency of a Global Distribution System (GDS) such as Sabre

Travel Journal Record (TJR)

A travel agency’s profile as determined by Sabre

This profile is associated to a specific Pseudo City Code (PCC) and determines an agency’s access to Sabre

Corresponds to the currency and private data unique to the travel agency

Airline industry terms

Agent Assembly Area (AAA)

The Pseudo City Code in which an agency is currently working

See also: Sabre Work Area

aircraft cabin

The section of an aircraft in which passengers travel

Examples: First Class, Business Class, Coach

Airline Reporting Corporation (ARC)

The airline ticketing clearinghouse for airlines, travel agencies and corporate travel departments

Handles airline ticket distribution, control and settlement

Controls accreditation of travel agencies in the U.S. that issue airline tickets

NOTE A travel agency that issues airline tickets must apply for ARC accreditation

See also:

Airline Reporting Corporation (ARC) accreditation

An accreditation by the Airline Reporting Corporation that allows an agency to sell/issue airline tickets

ancillary fee

The cost of the ancillary service being offered

ancillary services

Additional products and services offered to travel customers during the booking process

Ancillary prices can be "bundled" or "unbundled"

Also known as: air extras

Includes: checked bags, premium seats, meals

See also: bundled ancillaries, unbundled ancillaries

See also: a list of airline-specific ancillary services

base fare

The base price charged by air carriers for air transportation

Excludes taxes and fees

booked fare

A fare that is associated with a booking but it is not yet ticketed

The air booking volume "booked" via the Sabre GDS

booking class of service

The code for the fare category

Identified by a single letter in a reservation

Not to be confused with the "flight" class of service (such as first class and economy class)

Examples: refer to the airline for specific codes

bundled ancillaries

Ancillary services included in the published base fare

Also known as: "branded fares"

circle trip (CT)

A journey consisting of a single fare component where the origin and destination of the fare is the same point

Is not considered roundtrip because it involves more than one stopover

Example: the journey TYO – SIN – SYD – LAX – TYO is a CT journey have the same points of origin and destination

codeshare agreement

Agreement between a marketing airline and an operating airline

The marketing airline generally puts its airline identification code on flights and the operating airline actually operates the flight

connecting flight

A flight that requires a passenger to change planes at an intermediate airport between the origin and destination airports

date pair

The combination of a date of departure and a date of arrival

decimal places standard

The standard number of decimal places

Two decimal places is the ISO 4217 minor unit standard

Example: 101.35

direct flight

A flight that makes one or more intermediate stops but does not change aircraft or flight numbers

Not to be confused with nonstop flight (which makes no stops)

disclosure airline

The airline that operates the flight

Occurs between airline companies with a codeshare agreement

Also known as: operating carrier

divide in party

Occurs when changes to the itinerary for one passenger requires separation from the main passenger name record (PNR)

Also known as: Divide Passenger Name Record


A destination located in the same country as the origin

Example: a flight from New York to Atlanta

elapsed time

The total time for a flight on a flight itinerary

Calculated from the time of departure to the time of arrival

See also: the InstaFlights Search API

Electronic Miscellaneous Documents (EMDs)

Provides the capability to issue electronic non-flight vouchers for purchase of various travel services such as fulfillment of ancillary services

equivalent fare

The amount of the inventory or base fare in the payable currency

Excludes taxes and fees

fare basis code

A specific code assigned by an airline to identify a particular fare

The code can be all text or a combination of text and numbers

Example: SDE or KLPX6MDE

fare breakdown

An itemization of the price attributes used to calculate the total fare

Includes: passenger type, booking codes, fare basis codes, base fare, taxes, total fare, currency

See also: the InstaFlights Search API

fare reference

The booking code for the fare

filing airline

The airline or agency that files a particular fare

flight itinerary

The details associated with the journey of a flight

Includes: departure/arrival dates, stops, connections, flight numbers, operating and marketing carriers, equipment codes

flight leg

An air segment of an itinerary from a departure airport to an arrival airport

Each leg of an itinerary includes a city pair

Includes: a stopover, change of aircraft, or change of airline

Also known as: flight segment

flight segment

Also known as: flight leg

frequent flyer

A traveler that belongs to a Frequent Flyer Program (FFP)

Global Distribution System (GDS)

A computerized reservation network used as a single point of access for the travel industry

Used by travel agents, online travel agencies and large corporations

Books flights, hotels, rental cars, and other travel related items

IATA codes

Standard codes that the International Air Transport Association maintains for aviation

See also: IATA codes

Billing Statement Plan (BSP)

IATA's Billing Settlement Plan (BSP) is a system designed to facilitate and simplify the selling, reporting and remitting procedures of IATA Accredited Passenger Sales Agents, as well as improve financial control and cash flow for BSP Airlines.

inbound flight

The return flight from a destination on a roundtrip flight


A reciprocal agreement between/involving two or more airlines

Example: one airline will handle baggage or perform baggage check-in on behalf of another airline

interline itinerary

An itinerary between/involving two or more airline issued as a single ticket


A destination located in a country other than the origin country


The quantity of seats on an airline that are available for sale

length of stay

The duration of a trip in number of days

marketing airline

The airline company with a codeshare agreement that markets or sells the flight

marriage group

Connecting flights that airlines group together

marriage segment
An individual flight segment of a marriage group

A flight segment in a marriage group

Married segments must be processed as one unit and are therefore moved, cancelled, and/or priced together

nonstop flight

A flight that makes no stops between the origin and destination airports

Not to be confused with direct flight (which makes one or more stops)

operating airline

The airline company or carrier that operates a flight

Open Travel Alliance (OTA)

A messaging standards organization for the travel industry

See also: Open Travel Alliance

outbound flight

The flight departing from an origin to a destination

Passenger Name Record (PNR)

A unique record locator in a reservation system that contains the itinerary for a given traveler

Contains all the information necessary for a traveler’s reservation in the Sabre system

An application must complete a passenger name record to book a reservation with a given supplier (e.g. airline, hotel)

See also: Intro to PNRs

Point of Sale (POS)

The country where a booking originates and the location (geography) in which the itinerary is eligible to be sold in the currency applicable to that location

Each Sabre customer PCC is associated to a specific point of sale country

point of ticketing

The location (geography) in which the itinerary is ticketed

published fare

Fares that are made generally available to the public by an air carrier via any direct or indirect outlet

NOTE some types of fares may be excluded from published fares, such as unpublished fares and branded fares

Fees for ancillary services are also excluded

rule info

Rules and information for published fares about restrictions that govern the use of a fare

Example: advanced ticket purchase and refund policy

Special Service Request (SSR)

A request sent to airlines to communicate traveler preferences and special services for a traveler

Add a special service code to identify the service item you request

Includes: wheel chairs, infants (not occupying a seat


  • SSR_Code="WCHR" (WCHR is the Sabre host command for a wheel chair)
  • SSR_Code="INFT" (INFT is the Sabre host command for an infant traveler)

See also: Create Passenger Name Record API

See also: Passenger Details API

stop quantity

The quantity of stops that a plane makes at one or more airports enroute to a destination airport

total flight time

See also: elapsed time

unbundled ancillary

Ancillary services not included in the published base fare

validating carrier

An airline company that issues the ticket and holds the payment for the flight

Validating carrier may differ from the operating carrier that operates the flight

Sabre GDS terms

Sabre Global Distribution System (GDS)

One of the systems in the Sabre travel marketplace that stores all travel inventory

Example: travel inventory for flights, hotels, cars, cruises, rail

Sabre host command

A native command line entry for a "brick and mortar" travel agency working in the traditional GDS screen

These commands are also used as input for certain Sabre APIs

See also: How to navigate the Sabre universe

Sabre system

See also: Sabre GDS

Sabre Work Area

A stateful work area within the Sabre system

Similar in concept to a "shopping cart" found on many commercial web sites

Also known as: AAA

See also: Intro to the Sabre work area

Sabre APIs terms

city pair

The combination of an origination and destination location, which is often a pair of airport codes

historical fare

Data that is retrieved from a repository or database that stores real data from the past

Example: see the Low Fare History API

in-scope shopping responses

Shopping responses that Sabre® uses as a source to generate the applicable published fares (or lead fares) for an API, as determined by Sabre in its discretion

lead fare

The least expensive published fare overall for an origin/destination pair on a given travel date

Often included in the in-scope shopping responses used by Sabre

multi-airport city (MAC)

A major metropolitan area served by multiple major airports

Distinguished by a unique city code

Example: "NYC" is the city code for the New York City area (which includes LGA, JFK, EWR)

nonstop lead fare

The least expensive nonstop published fare for an origin/destination pair on a given travel date

The total fare a passenger pays

orchestrated API

See also: Intro to orchestrated APIs

overall lead fare

The least expensive published fare and the total fare a passenger pays


The testing environment for Sabre REST APIs

Contains limited city pairs/functionality

Also known as: certification environment

See also: Environments

shopped fare

A fare that is retrieved from shopping responses

See also: the Lead Price Calendar API

shop date

The date when the shopping request was performed

See also: shopping requests

shopping requests

Requests received by the Sabre GDS to generate and price multiple itineraries for roundtrip travel on participating airlines on specific travel dates

See also: the Lead Price Calendar API

shopping responses

Responses from the Sabre GDS to shopping requests

See also: the Lead Price Calendar API


A genre or a category of travel based on geography, point of interest, or recreational activity

Example: beaches, national parks, skiing

See also: the Theme Lookup API

Sabre technical terms

conversation ID

An ID used in SOAP APIs to carry from one request to the next throughout the traveler’s workflow

See also: Best practices: conversation IDs

connection ID

A legacy term for the "security token and conversation ID" returned to the requester in the Create Session API response

session pool

A set of Sabre sessions allocated for a particular Sabre customer

Corresponds to the number of session tokens you were allotted by your Sabre account manager

session token

An encrypted pointer to an open, active connection to Sabre with host resources allocated

Obtaining a session token creates a session to the Sabre system

A session token is obtained from the Create Session API

Sabre session

An allocated line number (LNIATA) and work space in the Sabre host

Also known as: AAA

Transactions Per Second (TPS)

The number of transactions per second that can be sent for an individual Sabre API

Contact your Sabre account representative to determine the specific TPS for a given Sabre API