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Schedules Analyser Glossary of Terms

    You can use this menu to navigate the Glossary of Terms, or download the PDF here:


    Alliance: Formal groups of airlines with agreement to cooperate

    Alliance Affiliate: Airlines that provide services in conjunction with individual alliance members

    ASKs: Available Seat Kilometres: the measure of a flight’s passenger carrying capacity, calculated by multiplying the number of seats on an aircraft by the distance travelled in kilometres.

    ASMs: Available seat mile: the measure of a flight’s passenger carrying capacity, calculated by multiplying the number of seats on an aircraft by the distance travelled in miles.

    ArrDaysOfOp: Local days of operation at arrival airport

    Arrival time: Local arrival time – 24 hour

    ATKs: Available tonne kilometres: the measure of an airline's total capacity (both passenger and cargo). Calculated by multiplying capacity in tonnes by kilometres flown

    ATMs: Available tonne miles: the measure of an airline's total capacity (both passenger and cargo). Calculated by multiplying capacity in tonnes by miles flown

    Available seats: Capacity on aircraft or by cabin

    Cabin: Seating area of the aircraft as designated by First, Business or Economy class

    Carrier: Carrier name or code

    Carrier Category: Type of carrier - low cost or mainline (full service) carrier.

    Code share: a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another

    Departure time: Local departure time – 24 hour

    Destination: Point of arrival for a flight

    Direction: One-way (from origin to destination) or two-way (origin to destination and destination to origin)

    Domicile: Jurisdiction (country or region) where airline is based

    Elapsed Time: the time between the departure and arrival times – ramp to ramp – in minutes. This includes any stopover time if the flight involves one or more stops

    Equipment: Aircraft type Code Description

    • A Amphibian / Sea Plane
    • H Helicopter
    • JN Pure Jet (Narrowbody)
    • JW Pure Jet (Widebody)
    • P Piston Engined
    • S Surface Transport
    • T Turbo Prop

    Passenger Classes: Code Description

    • A First Class Discounted
    • B Economy/Coach Discounted
    • C Business Class
    • D Business Class Discounted
    • E Shuttle Service - No Reservation needed
    • F First Class
    • G Conditional Reservation
    • H Economy/Coach Discounted
    • J Business Class Premium
    • K Economy/Coach Discounted
    • L Economy/Coach Discounted
    • M Economy/Coach Discounted
    • N Discounted Economy Class
    • P First Class Premium
    • Q Economy/Coach Discounted
    • R Supersonic
    • S Economy/Coach
    • T Economy/Coach Discounted
    • U Shuttle Service - No Reservation needed
    • V Economy/Coach Discounted
    • W Economy/Coach Premium
    • X Economy/Coach Discounted
    • Y Economy/Coach
    • Z Business Discounted

    Equipment group: Aircraft type group

    Flight number: Four figure flight number

    Flight Type: International or domestic

    FourthAcft: Aircraft type at third aircraft change airport

    FreightClass: Cargo classes on flight

    • BB Loose load cargo
    • LL Unit Load Devices (Containers)
    • LP Unit Load Devices (Containers)/Pallets MG Mail
    • PP Pallets
    • XX Not for use in cargo

    Freightons: Available Typical freight capacity in tonnes (metric)

    Full itinerary: Entire route of aircraft with a single flight number

    Hub airport: Airport used as a transfer point by airlines

    LocalDaysOfOp: 1-7 Local days of operation at departure airport (e.g. 1=Monday)

    Operating Flight: Flight operated by an airline (excludes non-operating duplicate flights arising from code-shares)

    Non-Operating Flight: Duplicate or code-share flights i.e. flight marketed and sold by an airline but not operated by that airline

    Non-stop flights: a flight made without intermediate stops between origin and destination

    Origin: Point of departure for a flight

    Payload: Carrying capacity for particular operator and aircraft type, in thousands of pounds

    Period: Dates for data selection

    Published Carrier: The airline represented by a two-character code

    Operating Carrier: The actual operator or partner flying a particular segment of a trip

    Restriction Display: Restriction codes followed by the display indicator 1 = published, 0 = unpublished.

    Traffic Restriction: Published Indicator Description

    • (blank) No restriction applies
    • A  0  This flight cannot be used as a direct service or as part of any Transfer Connection
    • B  1  This flight cannot be used as part of a Transfer Connection
    • C  1  A passenger may travel on this flight as a direct service. A passenger may also travel on this flight as part of a Domestic Transfer Connection
    • D  1  A passenger may only travel on this flight as part of an International Online Transfer Connection or as part of a through international journey within which a stopover is being made and onward travel is on the same airline. Further restrictions apply when constructing connections.
    • E  1  A passenger may only travel on this flight as part of an Online Transfer Connection or as part of a through journey within which a stopover is being made and onward travel is on the same airline. Further restrictions apply when constructing connections.
    • F  1  A passenger may travel on this flight as a direct service. A passenger may also travel on this flight as part of an Online Transfer Connection
    • G  0  A passenger may only travel on this flight as part of an Online Transfer Connection. A further restriction applies when constructing connections as the connection is not valid if all legs have this restriction
    • H  0  This segment must not be displayed
    • I    0  Technical Landing
    • K  0  A passenger may only travel on this flight as part of a Transfer Connection
    • M 1 A passenger may only travel on this flight if it forms part of athrough international journey within which a stopover is being made and onward travel is on the same airline
    • N  0  A passenger may only travel on this flight if it forms part of an International Transfer Connection
    • O  0  A passenger may only travel on this flight if it forms part of an International Online Transfer Connection
    • Q  1  A passenger may only travel on this flight as part of an International Online Transfer Connection or if it forms part of a through international journey within which a stopover is being made and onward travel is on the same airline
    • T  1  A passenger may only travel on this flight as part of a through journey within which a stopover is being made and onward travel is on the same airline
    • V  1  A passenger may only travel on this flight as part of a Transfer Connection or if it forms part of a journey within which a stopover is being made
    • W 1  A passenger may only travel on this flight as part of an International Transfer Connection or if it forms part of a through international journey within which a stopover is being made
    • X  1  A passenger may only travel on this flight as part of an Online Transfer Connection or as part of a through journey within which a stopover is being made and onward travel is on the same airline
    • Y  0  This flight can only be used as part of an on-line Transfer Connection

    Season: IATA season: Winter or Summer season where winter is generally October-March and summer is March-October with different starting/ending dates in each year.

    Seats: Physical number of seats on board an aircraft

    Service: Type of service of departure aircraft

    • A Additional cargo/mail service
    • C Charter passengers only
    • F Cargo/mail service with loose loaded cargo and/or preloaded devices
    • G Additional normal passenger service
    • J Normal passenger service
    • M Mail only
    • Q Passenger/cargo in cabin (combi).
    • S Passenger shuttle mode
    • U Passenger service operated by surface vehicle
    • V Cargo/mail service operated by surface vehicle

    Shared airline designator: The carrier code of the operating carrier where provided by the non-operating carrier

    Stage length: Great Circle Distance in miles or kilometres between departure airport and final arrival airport.

    Type of operation: A marker to show if the carrier is operating or non-operating.
    Created by OAG duplication processing based on available information (N.B. only flights with duplications are marked, unmarked records are also operating by definition

    Schedules Power Table – Dimensions
    (In the order they appear in the drop down menu – 134 options in total)

    • Carrier1: Carrier code
    • Carrier1Name: Carrier1 name
    • FlightNo1: Flight number (four figures)
    • Carrier1Alliance: Carrier1 airline alliance
    • Carrier2: Second carrier code for Joint Venture and Leased Operations eg AA
    • Carrier2Name: Second carrier name for Joint venture and Leased Operations eg American Airlines
    • FlightNo2: Second carrier flight number (four figures)
    • InternationalDomestic: International or domestic
    • CarrDom1: Domicile country code of Carrier1
    • CarrDom1Name: Domicile country name of Carrier1
    • CarrrDom2: Domicile country code of Carrier2
    • CarDom2: Name Domicile country name of Carrier2
    • Market pair (Airport): Airports at origin and destination, in alphabetical order
    • Market Pair (City): Cities at origin and destination, in alphabetical order
    • Market Pair (State): States at origin and destination, in alphabetical order
    • Market Pair (Country): Countries at origin and destination, in alphabetical order
    • Market pair (Region): Regions at origin and destination, in alphabetical order
    • DepAirport: Departure airport code
    • DepAirportName: Departure airport name
    • DepTerminal: Terminal of departure - terminal code
    • DepCity: Departure city code
    • DepCityName: Departure city name
    • DepState: Departure state code (2 letters), unique by country only
    • DepStateName: Departure state name
    • DepIATACtry: Departure IATA country code
    • DepIATACtryName: Departure IATA country name
    • DepDOTCtry: Departure US DoT country code
    • DepDOTCtryName: Departure US DoT country code
    • DepReg: IATA forecasting regional code
    • DepRegName: IATA forecasting regional name
    • ArrAirport: Arrival airport code
    • ArrAirportName: Arrival airport name
    • ArrTerminal: Terminal of arrival - terminal code
    • ArrCity: Arrival city code
    • ArrCityName: Arrival city name
    • ArrState: State code - unique by country only
    • ArrStateName: Arrival state name
    • ArrIATACtry: IATA country code
    • ArrIATACtryName: IATA country name
    • ArrDOTCtry: Arrival US DoT country code Arr
    • DOTCtryName: Arrival US Dot country name
    • ArrReg: Arrival region code based on IATA forecasting regions
    • ArrRegName: Arrival region name based on IATA forecasting regions
    • O&D Pair (Airport): Airports at origin & destination
    • O&D Pair (City): Cities at origin and destination
    • O&D Pair (State): States at origin and destination
    • O&D Pair (Country): Countries at origin and destination
    • O&D Pair (Region): Regions at origin and destination
    • LocalDepTime: Local departure time - 24 hour
    • LocalArrTime: Local arrival time – 24 hour
    • LocalArrDay: Marker to show if local arrival day different to local departure day (1= Next day, P= Previous day)
    • LocalDaysOfOp: Local days of operation at departure airport
    • ArrdaysOfOp: Local days of operation at arrival airport
    • Service: Type of service of departure aircraft – Passenger, cargo or both
      • A Additional cargo/mail service
      • C Charter passengers only
      • F Cargo/mail service with loose loaded cargo and/or preloaded devices
      • G Additional normal passenger service
      • J Normal passenger service
      • M Mail only
      • Q Passenger/cargo in cabin (combi)
      • S Passenger shuttle mode
      • U Passenger service operated by surface vehicle
      • V Cargo/mail service operated by surface vehicle
    • Seats: Available seat capacity (total) on departure aircraft - Carrier, aircraft and service type specific provided by airlines (N.B. Defaults are used where specific values are unavailable. Typical value used for default)
    • FstSeats: Available seats capacity in first class cabin
    • BusSeats: Available seats capacity in business class cabin
    • EcoSeats: Available seats capacity in economy/coach class cabin
    • EffFrom: Local effective from date of departure (appears according to local Windows settings)
    • EffTo: Local effective to date of departure (appears according to local Windows settings). Defaults to 2020 for operations with no end date.
    • ElapsedTime: Time between departure time and the arrival time, ramp to ramp, in minutes, including stopovers
    • FlyingTime: Time value for flight, for stopping flights total of block times
    • GroundTime Time value for flight, for stopping flights total of time spent on ground at intermediate airports
    • Stops: Number of en-route stops
    • IntAirports: Airport codes of the en-route airports for stopping flights presented as a string of 3 character codes
    • IntCities: City codes of the en-route cities for stopping flights presented as a string of 3 character codes
    • IntCountries: Country codes of the en-route countries for stopping flights presented as a string of 2 character codes
    • AcftChange: Marker to show aircraft change en route
    • AcftChApt1: 1st Airport code where there is change of aircraft en-route
    • AcftChApt2: 2nd Airport code where there is change of aircraft en-route
    • AcftChApt3: 3rd Airport code where there is change of aircraft en-route
    • GeneralAcft: General aircraft type for departure aircraft
    • GeneralAcftName: General aircraft type name for departure aircraft
    • SpecificAcft: Specific aircraft type for departure aircraft
    • SpecificAcftName: Specific aircraft type name for departure aircraft
    • Secondacft: Aircraft type at first aircraft change airport
    • Thirdacft: Aircraft type at second aircraft change airport
    • Fourthacft: Aircraft type at third aircraft change airport
    • FreightTons: Available typical freight capacity in tonnes (metric)
    • PassClass: Passenger classes available on flight
      • A First Class Discounted
      • B Economy/Coach Discounted
      • C Business Class
      • D Business Class Discounted
      • E Shuttle Service - No Reservation needed
      • F First Class
      • G Conditional Reservation
      • H Economy/Coach Discounted
      • J Business Class Premium
      • K Economy/Coach Discounted
      • L Economy/Coach Discounted
      • M Economy/Coach Discounted
      • N Discounted Economy Class
      • P First Class Premium
      • Q Economy/Coach Discounted
      • R Supersonic
      • S Economy/Coach
      • T Economy/Coach Discounted
      • U Shuttle Service - No Reservation needed
      • V Economy/Coach Discounted
      • W Economy/Coach Premium
      • X Economy/Coach Discounted
      • Y Economy/Coach
      • Z Business Discounted
    • FreightClass: Cargo classes on flight (see appendix)
    • Routing: Complete full routing of flight up to a maximum of 15 airports, presented as string of 3 character airport codes
    • StatMiles: Great Circle Distance in Statute Miles. The summed distance of individual legs (stopping) flights
    • NautMiles: Great Circle Distance in Nautical Miles. The summed distance of individual legs (stopping) flights
    • Km: Great Circle Distance in Kilometres. The summed distance of individual legs (stopping) flights
    • DistStMiles: Great Circle Distance in Statute Miles. The direct distance from departure airport to final arrival airport
    • DistNtMiles: Great Circle Distance in Nautical Miles. The direct distance from departure airport to final arrival airport
    • DistKm: Great Circle Distance in Kilometres. The direct distance from departure airport to final arrival airport
    • Restrictions: Restriction on flight for passenger, cargo or mail (see appendix)
    • ShAirlDes: The carrier code of the operating carrier where provided by the non-operating carrier.
    • MultCDes: The Carrier code of a number of carriers which jointly operate the flight
    • DupMarker: Duplication marker resulting from OAG data processing – definite and probable duplicates. 
    • DupCar1: Every carrier and flight number that duplicates with the flight. All for operating flight. Just operating carrier for non-operating flight. (NW 8999, UK 2199)
    • DupCar2: As DupCar1 above.
    • DupCar3: As DupCar1 above.
    • DupCar4: As DupCar1 above.
    • DupCar5: As DupCar1 above.
    • DupCar6: As DupCar1 above.
    • DupCar7: As DupCar1 above.
    • DupCar8: As DupCar1 above.
    • OpCar: A marker to show if the carrier is operating or non-operating. Created by OAG duplication processing based on available information (N.B. only flights with duplications are marked, unmarked records are also operating by definition)
    • Comment: 3 digit codes to represent specific comments and required when processing duplicating flights
      • 10 Provided by the carrier to indicate they are the operating carrier on all legs of a flight.
      • 11 Created by OAG to indicate that at least one leg of a multi-leg flight has a comment 010 and at least one leg has no comment.
      • 015 Created by OAG to indicate that at least one leg of a multi-leg flight has a comment 010 and at least one leg has a comment 050.
      • 050 Provided by the carrier to indicate they are the non- operating carrier on all legs of a flight.
      • 055 Created by OAG to indicate that at least one leg of a multi-leg flight has a comment 050 and at least one leg has no comment.
    • AcftOwnerCode: Carrier that owns the aircraft
    • AcftOwnerCodeName: Name of carrier that owns the aircraft
    • CockpitCrewCode: Carrier responsible for cockpit crew
    • CockpitCrewCodeName: Name of carrier responsible for cockpit crew
    • CabinCrewCode: Carrier responsible for cabin crew
    • CabinCrewCodeName: Name of carrier responsible for cabin crew
    • LongLeg: Marker to show multi-leg flight with all sectors – the full flight description
    • MaxTakeOffWeight: Maximum Take off Weight - typical values used in tonnes (metric)
    • HoldVolume: The typical hold volume of the aircraft baggage and cargo space in cubic metres
    • RangeKm: The typical range over which the aircraft can fly in Kilometres
    • RangeStatMiles: The typical range over which the aircraft can fly in Statute Miles
    • RangeNautMiles: The typical range over which the aircraft can fly in Nautical Miles
    • CruiseSpeed: The typical speed at which the aircraft cruises in Statute Miles per Hour
    • EquipmentGroup: Aircraft type group
    • Manufacturer: The Manufacturer code of the aircraft type
    • Ghost: A marker to show non-operating ghost/funnel flights.
    • SubGovnApp: Flight is subject to government approval.
    • FltDup: Duplication marker provided by the carrier
    • ShrAirlineDesName: The carrier name of the operating carrier where provided by the non-operating carrier.
    • DepWACCountry: Origin World Area Code as 3 digit code, a convenient way to group many origin airports into one country.
    • ArrWACCountry: DestinationWorld Area Code as 3 digit code, a convenient way to group many destination airports into one country.
    • DepWACState: Departure state area code – unique by country only, a convenient way to group many origin airports into one state.
    • ArrWACState: Arrival state area code – unique by country only, a convenient way to group many destination airports into one state.
    • DepWACSubcountry: Departure sub country code, a convenient way to group many origin airports into one part of a country.
    • ArrWACSubcountry: Arrival sub country code, a convenient way to group many destination airports into one part of a country.
    • LocalDaysOfOp1-7: Local days of operation at departure airport (e.g. 1=Monday)

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