These agreements generally do not allow you to collect or redeem miles with any airline, but experienced travelers know that it is always possible to collect miles for each flight segment. It`s going to take a little more work. Only the issuing carrier is responsible for the payment of the commission to the Agency. The amount of the commission is determined according to the total price of the ticket, but the percentage depends on the amount paid if only one airline is involved. Airlines that enter into interline agreements share things like check-in and check-in, while code actions allow airlines to market flights to other customers. The downside of an Interline deal is that passengers cannot collect miles for the entire trip. On Emirates flight, for example, Skywards miles would only be collected on the Dubai-Mexico portion of the flight, not on the continuation of the journey. Interline agreements are the most basic types of agreements you can have between airlines. An Interline agreement is simply a commercial agreement between airlines to treat passengers when travelling with several airlines on the same route. This allows passengers to check their luggage to their final destination, check their location to their destination, be re-routed to another airline in case of irregular exploitation, etc. Companies participating in airline alliances such as Star Alliance, SkyTeam or oneworld almost always have interline agreements. But direct competitors can also benefit from Interline agreements. @Hung Nguyen: Just a word of caution.

Although QR has an interline agreement with the UN, most of these agreements only apply if you are travelling with a ticket, but not with separate tickets. There may be exceptions, but I don`t expect to check luggage for separate tickets. The interline, also known as interline and interline ticketing, is a voluntary commercial agreement between different airlines to treat passengers travelling on routes requiring several flights with several airlines. [1] Such agreements allow passengers to switch from one flight with one airline to another airline flight without having to pick up their baggage or re-register it. Airlines can also promise a free booking change if the service is interrupted due to a delay. If you are faced with an irregular transaction such as a major flight delay or cancellation, you can usually be rerouted to any other airline that has an interline agreement with your exporting airline. Although American is part of the Oneworld alliance, it has several Interline partners in the three major alliances, many of which would otherwise be considered competitors. The Interline agreements allow airlines to sell seats on (some) flights on the other side and also help protect passengers from irregular flights. This is a very fundamental level of cooperation, there are airlines that have interline agreements that are not partners otherwise. ExpertFlyer shows airlines that have interline agreements, here are the airlines with which American has an interline agreement: as a rule, if two airlines have an Interline agreement, they handle check-in and baggage for each other`s passengers.