Fare basis code
A fare basis code (often just referred to as a fare basis) is an alphabetic or alpha-numeric code used by airlines to identify a fare type and allow airline staff and travel agents to find the rules applicable to that fare. Although airlines now set their own fare basis codes, there are some patterns that have evolved over the years and may still be in use.
Fare codes start with a letter called a booking class (indicating travel class among other things) which almost always matches the letter code that the reservation is booked in. Other letters or numbers may follow. Typically a fare basis will be 3 to 7 characters long, but can be up to 8.
The first character of the fare basis code is always a letter, and will almost always match the booking class. Booking codes are the identifiers used by the airline's revenue management department to control how many seats can be sold at a particular fare level. For example, a plane may have 25 economy seats still available and the airline may show it in a reservation system as
Y7 K5 M4 T6 E3 which indicates how many of each booking class can be reserved. Some codes cannot be sold by agents, and those seats may be reserved for international connections, loyalty programs, or airline staff relocation.
Booking codes were defined by IATA, but airlines have deviated from the IATA standard and current booking codes are airline-specific. The same code may have different meanings for tickets issued by different airlines. Many airlines use nearly all letters of the alphabet to allow finer yield management. Nevertheless, certain booking codes have retained the same meaning across most airlines:
|F||full-fare First class, on airlines which have first class distinct from business class.|
|J||full-fare Business class|
|W||full-fare Premium economy|
|Y||full-fare Economy class|
Other common patterns
Letters and numbers in other sections of the fare basis code may provide the following information:
There is an endless list of other codes on modern fares. These are not standardized in any way, and may often be for short-term use. The following are some examples:
- Codes that indicate an airline's common name for a fare. As a hypothetical example, an airline selling what they refer to as their "Super-Saver" fare may use SPRSVR in the fare basis, or may use it as the entire code.
- Codes that limit a fare to a particular company or organisation. An airline may negotiate a fare with the XYZ company and include these letters in their fare basis. Negotiated fares are normally only visible to agents that have a contract to sell them, and are not publicly listed.
- Codes for use with military personnel, or federal government employees. These are commonly used in the United States, and often indicate fares with minimal or no restrictions on changes and refunds.
- ID and AD used for airline staff (Industry Discount) and travel agency staff (Agent Discount). It may include a number indicating the percentage of discount from the full fare, e.g., AD75.
Fare construction refers to the application of fares which can cover the flights in the reservation, necessary to price the air ticket for issuance.
It is commonly presented as a single line with standardized codes which can be used for travel agents to price the ticket in global distribution systems. For example, a fare construction may say:
|HKG||SU||X/MOW||SU||KGD||598.78SCLA||/-RIX||SU||X/MOW||SU||HKG||371.37ACLA||NUC 970.15||END||ROE 7.849222||XT 160G3 120HK 45I5 105RI 33LV 61XM 713YQ|
|from Hong Kong||by Aeroflot||transfer in Moscow||by Aeroflot||to Kaliningrad||598.78 on fare SCLA||arrival unknown to Riga||by Aeroflot||transfer at Moscow||by Aeroflot||to Hong Kong||371.37 on fare ACLA||total fare in NUC||end of fare||rate of exchange||the various taxes, fees and charges added in ticketing currency|
Fare construction is a complicated task because each fare comes with a lot of rules regarding the usage, however the rules are designed to be validatable by computers so the system can decide to accept or reject easily. Most commonly fare construction is done by a computer automatically, but it is not guaranteed that the lowest fares can be found, therefore manual fare construction can also be done, which means finding the suitable fares manually and applying the fares to an itinerary in order to buy a ticket.
Multiple fare basis
It is common for a multi-sector air ticket to have more than one fare basis, particularly if it is for carriage on more than one airline, or different classes of travel are involved. The issuing airline may often have an interline agreement to allow other airlines on the ticket. One disadvantage of this system is that if any change is made, the most restrictive fare rule, and/or the highest change fee, may apply to the entire ticket, not just the portion being changed.
Global Distribution Systems
In a Global Distribution System, the fare basis will typically display as part of a fare display, and will not normally be shown in an availability display. Some modern booking systems allow availability searches using parameters such as time of day and lowest fare, and may negate the need for an agent to firstly study the fare basis rules.
The fare basis is normally shown on the air ticket. On older paper tickets, it was highlighted on the relevant coupon for that flight. On modern e-tickets, it is often printed under the flight details.
- "The Cranky Flier, Fun with Fare Basis Codes". 2007. Retrieved 19 December 2013.
- Todd/Ginger, Rice, Susan (2005). A Guide to Becoming a Travel Professional. p. 244.
- Galileo 360(degrees). V1 Course book. Galileo Travelport. 2009. p. 9.
- Galileo 360(degrees). V1 Course book. Galileo Travelport. 2009. p. 12.
- Galileo 360(degrees). V1 Course book. Galileo Travelport. 2009. 2009. pp. 13–16.
- on airlines that offer it, may be some discount economy on airlines without it such as Turkish Airlines
- Fare Calculation Symbols and Explanations, Amadeus
- "What is a Fare Basis (or fare code)?". Businesstravel.about.com. 2014-03-03. Retrieved 2014-04-24.