home | Contact Us
Join our email list and receive airport updates and airfare alerts when great fares become available.
Email Address:
Monday - Friday
8:00 a.m. - 4:30 p.m.
217-788-9200
Travel University

Definitions provided by Arlene Fleming for About.com

Airport Codes

Definition: Three letter codes used to identify airports (ex. YVR is Vancouver, Canada, EWR is Newark, New Jersey, etc.).

.......................................................................................................................................

ATC

Definition: The abbreviated form for Air Traffic Control.

.......................................................................................................................................

Base Fare

Definition: The price of a ticket before any taxes have been added.

.......................................................................................................................................

Bereavement Fare:

Definition: A discounted fare offered to family members traveling because of an imminent death or death in the family. Most airlines that offer bereavement fares will require information about the situation.

Also Known As: Compassionate Fare

.......................................................................................................................................

Blackout Dates:

Definition: Also known as Blackout Periods.

The dates on which certain fares or certain types of tickets are not permitted.

Blackout dates can also extend to issues like baggage or cargo restrictions (for example, there may be winter blackout dates on specific aircraft, not permitting animals to be accepted in the cargo hold).

Blackout dates often apply during peak travel periods or over holiday travel periods.

.......................................................................................................................................

Bumping

Definition: Passengers that are denied a seat on the flight they originally booked on due to a flight being oversold. They will then be `bumped' to another flight.

.......................................................................................................................................

Carry-on

Definition: Luggage that is permitted to be brought on to the aircraft by the passenger.

.......................................................................................................................................

Cockpit:

Definition: The compartment at the front of the plane containing all of the devices required to fly an aircraft.

.......................................................................................................................................

Codeshare:

Definition: An agreement between airlines to sell space on each other's flights.


The flights will have both the operating carrier's flight number (the airline that is using its aircraft for the flight), and the codesharing flight number (the partner airline in the agreement sells space on the flight as if it were its own, and has its own flight number).

For example, Air Canada operates flight AC812 from Chicago O'Hare to Toronto Pearson. United codeshares on this flight, selling space as UA3094.

.......................................................................................................................................

Commercial Airline:

Definition: An airline that transports passengers.

.......................................................................................................................................

Connection:

Definition: The additional flight(s) required to get from the airport of origin to the final arrival airport.

For example, Salt Lake City to London with a connection in Chicago means a change of planes in Chicago.

.......................................................................................................................................

Contract of Carriage:

Definition: The legal contract between the passenger and the airline, issued with the ticket.

.......................................................................................................................................

Direct Flight:

Definition: A flight that stops at another airport, but passengers do not change planes.

An example of a direct flight is a passenger taking a direct flight from Boston to Dublin. The flight first stops at Shannon Airport and then continues to Dublin, with the passengers traveling to Dublin staying on the same plane.

.......................................................................................................................................

Double Booking

Definition: Booking two or more reservations when only one will be used. Doing this can lead to all reservations involved being canceled.

.......................................................................................................................................

ETA

Definition: The abbreviated form of Estimated Time of Arrival, used in computer reservations systems, airports, and by the travel industry.

.......................................................................................................................................

E-Tickets

Definition: Also known as Electronic Tickets or Ticketless Travel.


A ticket that is not physically printed on ticket stock, and is instead stored in the computer reservation system of an airline.

E-ticket holders are issued a receipt, contract of carriage, and flight itinerary as proof of travel documents.

.......................................................................................................................................

Excess Baggage

Definition: Luggage that exceeds the airline's allowable limit for weight or number of pieces. Passengers are usually charged extra for excess baggage, if excess baggage is permitted at all.

.......................................................................................................................................

FIM

Definition: Abbreviated form of Flight Interruption Manifest.


FIMs are flight coupons that are given to passengers when some change in their flight itineraries has occurred at the airport.

For example, if a passenger volunteers to take a later flight in an oversold flight situation and the new flights involve a different connection city, a FIM (which acts as a ticket) will be issued so that the passenger has a ticket to fly on the new flights.

.......................................................................................................................................

Final Approach

Definition: A common term for landing an aircraft at the end of a flight.

.......................................................................................................................................

Fuselage

Definition: The central body of the aircraft.

.......................................................................................................................................

Gates

Definition: The physical areas of the airport where flights depart and arrive.

.......................................................................................................................................

Hidden Cities

Definition: When a passenger books an itinerary that is further than his/her destination in order to get a lower fare.

The passenger then ends travel by getting off the plane, and not connecting to the city that ensured the lower fare.

Let's say that there is a seat sale between Chicago and San Francisco, but you want to travel to Denver and there is no seat sale that is as low as the one to San Francisco. If you booked the ticket Chicago to San Francisco with a connection in Denver, and got off in Denver, you would be practicing the `hidden cities' process (which the airlines consider illegal).

.......................................................................................................................................

HK

Definition: Also KK and GK - the most frequently used codes to indicate confirmed space on a flight, used in computer reservations systems.

.......................................................................................................................................

Holding pattern:

Definition: When Air Traffic Control has a flight turn away from the airport and remain at an assigned altitude instead of landing. The pilots then await further instructions.

.......................................................................................................................................

Hub

Definition: An airport where an airline bases many of its major flight operations, and uses many of the gates for its aircraft.

.......................................................................................................................................

Illegal Connection

Definition: Connections that do not adhere to the minimum connection time, and are thus not legal connections because it is deemed that there is not enough time to connect.

.......................................................................................................................................

Inbound

Definition: The return flight portion of a ticket.

.......................................................................................................................................

Inflight

Definition: Services provided during a flight.

.......................................................................................................................................

In Transit

Definition: A passenger is currently traveling to his/her destination.

.......................................................................................................................................

INVOL

Definition: The abbreviated form of Involuntary denied boarding.

Refers to passengers who do not volunteer to take a later flight due to an oversold flight situation (and are compensated for doing so), but are forced to take a later flight.

.......................................................................................................................................

Itinerary

Definition: A list of flights that a passenger is scheduled to take.

.......................................................................................................................................

Jet lag

Definition: The tired, often disorienting way a passenger feels after traveling through many time zones in a short amount of time.

.......................................................................................................................................

Joint Fare

Definition: An agreement between certain airlines to charge specific fares when a passenger uses more than one airline.

These fares are agreed on by the airlines involved and would be closer to the fares that could be charged if a passenger was only traveling on one airline to get to their destination.

.......................................................................................................................................

Landing Fee

Definition: A fee that the airlines pay for the right to land at an airport.

.......................................................................................................................................

Layover

Definition: Usually an overnight stop during the flight portion of a trip, involving a change of airplanes or another form of transportation.

.......................................................................................................................................

Leg

Definition: One single flight portion of an itinerary

.......................................................................................................................................

MAAS

Definition: The abbreviated form for Meet and Assist, used in computer reservations systems. Indicates that the passenger needs to be assisted in some way by an airline agent.

.......................................................................................................................................

MCO

Definition: The abbreviated form of Miscellaneous Charge Order, used by airlines and travel agencies.

It is widely known for its use as a travel voucher. Can also be used for collecting miscellaneous charges such as excess baggage and change fees

.......................................................................................................................................

Minimum connection Time

Definition: The legal minimum time necessary to change planes at a given airport. If this is ignored, the connection is called an illegal connection

.......................................................................................................................................

Min/Max

Definition: The abbreviated form for Minimum/Maximum stay - refers to the minimum and maximum times allowed for travel on a ticket.

Minimum and maximum stays are restrictions often imposed on discounted fares.

Weekend fares are examples of tickets with minimum and/or maximum stays. A weekend fare will typically allow a passenger to begin travel on a Friday or Saturday, and return Monday or Tuesday. In this example, the minimum stay would be a Saturday night, with the maximum stay being the Monday or Tuesday

.......................................................................................................................................

Non-refundable

Definition: If a passenger does not use a ticket, none of the money paid for the ticket will be returned.

Many airlines will allow such unused, non refundable tickets to be used as a credit towards future travel after paying a fee to change the ticket

.......................................................................................................................................

Non-stop flight

Definition: A flight that does not stop at another airport before reaching its point of arrival

An example of a non-stop flight is a flight from Boston to Dublin. The flight goes to Dublin without stopping at another airport

.......................................................................................................................................

Non-transferable

Definition: The only person who can use the ticket is the one who has his/her name on the ticket

.......................................................................................................................................

NOOP

Definition: The abbreviated form for Not Operating, used in computer reservations systems. In other words, the flight is not operating because it has been removed from the airline's schedule, or has been canceled

.......................................................................................................................................

NOREC

Definition: The abbreviated form for No Record, used in computer reservations systems. Indicates no record of a passenger's booking can be found

.......................................................................................................................................

NOSHO

Definition: Also known as No Show. A passenger who doesn't show up to take the flight that he/she is booked on

.......................................................................................................................................

Off-line connection

Definition: A connection that not only involves a change of planes, but a change of airlines as well

.......................................................................................................................................

On-line connection

Definition: A connection that involves a change of airplanes but not a change of airlines.

.......................................................................................................................................

Open ticket

Definition: A ticket with no date specified and the passenger books a flight when ready to travel. These are usually full fare tickets, as opposed to a discounted, restricted fare.

.......................................................................................................................................

Outbound

Definition: The portion of the trip where a passenger is leaving the first city of a flight itinerary and is traveling to a destination, or destinations

.......................................................................................................................................

Overbook

Definition: When an airline takes more reservations for a flight than it has seats on an aircraft.

This is based upon the assumption that there will be passengers who will not show up for their flights. Thus, it is assumed, there will be enough space on the flight for the overbookings

.......................................................................................................................................

Oversell

Definition: As with overbooking, it is when an airline takes more reservations than it has seats on an aircraft

.......................................................................................................................................

PAX

Definition: Also PSGR - The abbreviated form of passenger, used in computer reservations systems

.......................................................................................................................................

PNR

Definition: The abbreviated form for Passenger Name Record or Personal Name Record, used in computer reservations systems.

A PNR contains all of the passenger's information contained in a specific booking like flights, phone numbers, etc

.......................................................................................................................................

Published Fare

Definition: A fare that is available for purchase to anyone

.......................................................................................................................................

Record Locator

Definition: A combination of letters, numbers, or both forming a unique code which identifies a passenger's booking

.......................................................................................................................................

Red Eye

Definition: An overnight flight that arrives early the following morning

.......................................................................................................................................

Roundtrip

Definition: A flight itinerary that involves flying to a single destination and back

.......................................................................................................................................

Routing

Definition: The sequence of airports used (whether it be connections or destinations) in order to build an airfare

.......................................................................................................................................

SC

Definition: The abbreviated form for Schedule Change, used in computer reservations systems. Indicates some sort of change in the arrival or departure times of a flight

.......................................................................................................................................

Segment

Definition: As with Leg, it is a single portion of a flight itinerary

.......................................................................................................................................

Standby

Definition: The procedure of waiting for a seat to open up on a flight on which a passenger is not booked/confirmed

.......................................................................................................................................

Stopover

Definition: A planned stop of at least one night (or more than 4 hours domestically), and then continuing the next part of a flight itinerary

.......................................................................................................................................

Through Fare

Definition: The fare to a destination reached by traveling through a gateway city.

For example, traveling from Atlanta to Oslo via London. The fare is given all the way through from Atlanta to Oslo, and is not broken into a fare between Atlanta and London, and London and Oslo

.......................................................................................................................................

Ticket

Definition: A contractual travel document between a traveler and an airline

.......................................................................................................................................

UM

Definition: The abbreviated form for unaccompanied minor, used in computer reservations systems. An unaccompanied minor is a child traveling without a parent or guardian

.......................................................................................................................................

Unrestricted fare

Definition: A more expensive fare that offers greater flexibility (allowing changes, refunds, etc.).

.......................................................................................................................................

VOL

Definition: The abbreviated form of Voluntary denied boarding, refers to passengers who volunteer to take a later flight due to an oversold flight situation (and are compensated for doing so).

.......................................................................................................................................

WK

Definition: Code used to indicate space was confirmed on a flight but no longer is, used in computer reservations systems.

WK means that the original flight has somehow changed. Some reasons include - it is now a different flight number, departure time, date of travel, or canceled

.......................................................................................................................................

Zulu Time

Definition: Also known as UTC (Universal Time Co-ordinated), was GMT (Greenwich Mean Time)- Zulu time is the standard time used for flight operations globally

flights | service center | parking | rental cars | sky club |  general aviation | directions | airport authority