City pair

In commercial aviation, a city pair is defined as a pair of departure (origin) and arrival (destination) airport codes on a flight itinerary. A given city pair may be a single non-stop flight segment, a direct flight with one or more stops, or an itinerary with connecting flights (multiple segments).[1] The city pair, IAD-LHR would consist of flights and/or multi-leg itineraries that originate at Washington-Dulles airport and terminate at London-Heathrow airport. The city pair, NYC-TYO would consist of flights and/or multi-leg itineraries that originate at any New York airport[2] (New York-JFK, Newark-Liberty or New York-LaGuardia) and terminate at either Tokyo-Narita or Tokyo-Haneda.

References

Commercial aviation
Airlines	Airline codes Airline holding companies Charter airlines Low-cost airlines Non-scheduled airline Passenger airlines Regional airlines
Alliances	Oneworld SkyTeam Star Alliance Value Alliance Vanilla Alliance U-FLY Alliance
Trade groups	International ACO ATAG IATA IATAN ISTAT United States A4A RAA Europe A4E AEA EBAA ELFAA ERA Other regions AACO AAPA AFRAA RAAA
Aircrew	Pilot in command First officer Second officer Third officer Flight attendant Flight engineer Loadmaster Aircraft pilot Purser Dead mileage
Airliner	Travel class First class Business class Premium economy Economy class Basic economy Aircraft cabin Aircraft lavatory Aircraft seat map Airline meal Airline seat Buy on board Crew rest compartment In-flight entertainment Inflight smoking Galley Sickness bag
Airport	Aerodrome Airline hub Airport check-in Airport lounge Airport rail link Airport terminal Airstair Boarding Domestic airport Gate International airport Jet bridge Low-cost carrier terminal Runway Transit hotel
Customs / Immigration	Arrival card Border control Departure card Passport Timatic Travel document Travel visa
Environmental impact	Hypermobility Environmental impact of aviation
Law	Air transport agreement Bermuda Agreement (UK–US, 1946–1978) Bermuda II Agreement (UK–US, 1978–2008) China-US Cross-Strait charter (China–Taiwan) Beijing Convention Cape Town Treaty Chicago Convention Convention on the Marking of Plastic Explosives European Common Aviation Area Flight permit Freedoms of the air Hague Hijacking Convention Hague Protocol ICAO Montreal Convention Freedoms of the air EU–US Open Skies Agreement Paris Convention of 1919 Rome Convention Sabotage Convention Tokyo Convention Warsaw Convention
Baggage	Bag tag Baggage allowance Baggage carousel Baggage cart Baggage reclaim Baggage handler Baggage handling system Checked baggage Hand luggage Lost luggage Luggage lock
Aviation safety	Air Navigation and Transport Act Air rage Air traffic control Aircraft safety card Airport authority Airport crash tender Airport police Airport security Brace position Evacuation slide Flight recorder National aviation authority Overwing exits Pre-flight safety demonstration Sky marshal
Airline tickets	Airline booking ploys Airline reservations system Airline ticket Airline timetable Bereavement flight Boarding pass Codeshare agreement Continent pass Electronic ticket Fare basis code Flight cancellation and delay Frequent-flyer program Government contract flight One-way travel Open-jaw ticket Passenger name record Red-eye flight Round-the-world ticket Standby Tracking Travel agency Travel website
Groundcrew	Aircraft maintenance technician Aircraft ground handling Baggage handler Flight dispatcher
Miscellaneous	Aviation taxation and subsidies Mile high club

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