Amy Horn

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Which Airlines Have Interline Agreements

An Interline agreement, also known as interlining, Interline Billeting or Interline-Reservation, is an agreement between two or more airlines to treat passengers when their itinerary involves travel with several airlines. This means that they undertake to ship their luggage to their final destination and check them in for their destination. A codeshare flight is different from an Interline flight, because a codeshare flight is the entire flight, while an interline is a flight within a larger route. Until now, only major network operators such as United Airlines and Lufthansa had electronic ticket interconnection agreements, but IATA`s mandate to remove paper tickets at the end of 2007 changed this situation by requiring smaller airlines to introduce electronic tickets. It is important that you familiarize yourself with airline transport conditions, which may sometimes differ from those of Copa Airlines. We advise you to visit the airline`s website to check the transport conditions before flying. Joint ventures are synonymous with cooperation as close, almost as good as a merger. The main difference is that they generally operate in separate geographical areas. For some time now, Delta and Virgin Atlantic have had a joint venture that allows for a massive transatlantic presence and a vast network in Europe and America. Air France-KLM was recently included in this partnership, which strengthened the strong base of participants in the transatlantic market. However, in recent times, airlines have been looking at so-called code sharing, including code sharing with another airline, although they fly themselves. This is particularly the case for alliance partners and joint ventures (JV). Joint venture airlines (where they sell tickets for each other`s flights and then share revenues) used code actions to sell tickets for their partners` flights.

For example, all flights between the United States and Europe with American Airlines, British Airways, Iberia and Finnair carry flight numbers (AA, BA, IB and AY); and there are many other examples within Star Alliance and Skyteam). This can be very confusing for passengers who end up booking flights because they think they are with one airline, but they are actually operated by another airline. Twenty years ago, code actions were mainly limited to flights that were not operated by the marketing company. Today, American Airlines, which does not travel to the Middle East and therefore puts its flight code on flights to Abu Dhabi, operated by Etihad, is an example. In return, Etihad places its code on certain national connections to/from American`s AA platforms. This allows both airlines to show flights up on search engines, and earn miles and elite perks for Americans and Etihad frequent travelers throughout the trip. With relatively few code actions on large long-haul flights and more service from airlines that are done personally (by phone) and not online, code actions were a way to strengthen airlines` flexibility to sell flights, especially on their main flights. Interline agreements differ from code-sharing agreements in that codeshare agreements generally relate to the numbering of a flight with the company`s code (acronym), although the flight is operated by another airline. However, codeshare relationships may affect whether an interline ticket (or e-ticket) can be issued, since the codeshare marketing carrier and code-sharing operator must have interline agreements with all other airlines in the itinerary for a single ticket to be issued.

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