A Flight Information Display system (FIDS) is a computer system used in airports to display flight information to passengers, in which a computer system controls mechanical or electronic display boards or TV screens in order to display arrivals and departures flight information in real-time. The displays are located inside or around an airport

Airport

An airport is a location where aircraft such as fixed-wing aircraft, helicopters, and blimps take off and land. Aircraft may be stored or maintained at an airport...

 terminal

Airport terminal

An airport terminal is a building at an airport where passengers transfer between ground transportation and the facilities that allow them to board and disembark from aircraft....

. A virtual version of a FIDS can also be found on most airport websites and teletext

Teletext

Teletext is a television information retrieval service developed in the United Kingdom in the early 1970s. It offers a range of text-based information, typically including national, international and sporting news, weather and TV schedules...

 systems. In large airports, there are different sets of FIDS for each terminal or even each major airline

Airline

An airline provides air transport services for traveling passengers and freight. Airlines lease or own their aircraft with which to supply these services and may form partnerships or alliances with other airlines for mutual benefit...

. FID systems are used to assist passengers during air travel

Air travel

Air travel is a form of travel in vehicles such as airplanes, helicopters, hot air balloons, blimps, gliders, hang gliding, parachuting or anything else that can sustain flight.-Domestic and international flights:...

 and people who want to pick-up passengers after the flight.

Each line on an FIDS indicates a different flight number

Flight number

A flight number, when combined with the name of the airline and the date, identifies a particular flight. This callsign should not be confused with the tail number of the aircraft, although both can be used as a call-sign as used in general aviation...

 accompanied by:

• the airline name/logo and/or its IATA or ICAO airline designator
• the city of origin or destination, and any intermediate points
• the expected arrival or departure time and/or the updated time (reflecting any delay
  Punctuality
  Punctuality is the characteristic of being able to complete a required task or fulfill an obligation before or at a previously designated time. "Punctual" is often used synonymously with "on time."...
  
  s)
• the gate
  Gate (airport)
  A gate in aviation is a long, movable, "bridge" that allows passengers to embark and disembark their aircraft.* Jetway bridges* Air stairs, either built into the aircraft or from a mobile vehicle* Mobile lounges...
  
   number
• the check-in
  Airport check-in
  Airport check-in uses service counters found at commercial airports handling commercial air travel. The check-in is normally handled by an airline itself or a handling agent working on behalf of an airline...
  
   counter numbers or the name of the airline handling the check-in
• the status of the flight, such as "Landed", "Delayed", "Boarding", etc.

Due to code sharing

Code sharing

A codeshare agreement, sometimes simply codeshare, is an aviation business arrangement where two or more airlines share the same flight. A seat can be purchased on one airline but is actually operated by a cooperating airline under a different flight number or code...

, one single flight may be represented by a series of different flight numbers, thus lines (for example, LH

Lufthansa

Deutsche Lufthansa AG is the flag carrier of Germany and the largest airline in Europe in terms of overall passengers carried. The name of the company is derived from Luft , and Hansa .The airline is the world's fourth-largest airline in terms of overall passengers carried, operating...

474 and AC

Air Canada

Air Canada is the flag carrier and largest airline of Canada. The airline, founded in 1936, provides scheduled and charter air transport for passengers and cargo to 178 destinations worldwide. It is the world's tenth largest passenger airline by number of destinations, and the airline is a...

9099), although one single aircraft

Aircraft

An aircraft is a vehicle that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Although...

operates that route at that given time. Lines may be sorted by time, airline name, or city.