Airline Hub
An airport used by an airline as a transfer point to get passengers to their intended destination. It is part of the hub-and-spoke system.
Codeshare Agreement
an aviation business arrangement where two or more airlines publish and market the same flight under their own airline designator and flight number.
Direct Flight
A flight between two points that makes no change in flight numbers, which may include one or more stops at intermediate points.
IATA Code
A three-letter code designating many airports and metropolitan areas around the world, defined by the International Air Transport Association.
ICAO Code
A four-letter code designating aerodromes around the world. These codes are used by air traffic control and airline operations.
Layover
A stop at an intermediate point on the route of a journey, where the passenger does not leave the airport transit area.
METAR
Meteorological Aerodrome Report. A format for reporting weather information predominantly used by pilots and flight dispatchers. It includes data on wind, visibility, runway visual range, and cloud cover.
Non-stop Flight
A flight from one place to another without making any stops.
Open-jaw Ticket
A return ticket where the destination and/or the origin are not the same in both directions (e.g., London to NY, returning from Boston to London).