How long does it take to get from the domestic terminal to the international terminal in Atlanta?

A free shuttle links the domestic and international terminals if you're transiting through Hartsfield–Jackson Atlanta International Airport. The journey time is around 12 minutes from 1 terminal to the other. Shuttles run 24 hours a day.



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One hour is VERY TIGHT for a domestic to international connection (it's even tight for domestic to domestic, but much less risky).

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Flight Connections at ATL
Regardless of where you are traveling to or from, all passengers must pass through Passport Control upon arrival at ATL, and this will be processed within the concourse that you arrive at. All passengers also have to proceed to the baggage claim area to pass through customs.

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Overall, passengers usually have to re-clear security for connecting flights, though there may be some exceptions depending on the airport and flight itinerary. To make this process easier, checking with the airline or airport ahead of time is recommended.

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Atlanta has a domestic and international terminal with concourses A to F and T. To help you make your connection, once you arrive you will need to clear immigration, collect your bags, check in with the next airline, clear security and head back to the departure area.

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The recommended layover time for domestic flights is normally one hour. However, as previously stated, you may require longer if your flights are booked with two different airlines, if you are traveling to a very busy airport or if you require special assistance.

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For international layover flights booked on one airline, two hours is often recommended to make your connection. For international flights on different airlines, the connection time will need to be even greater as you may have to change terminals between the two flights.

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Why international travelers must collect and recheck bags for their U.S. connecting flight. The foremost reason fo rechecking your bag after an international flight is security. “It's part of our efforts to protect the country,” Tammy Melvin, a CBP public affairs spokesperson, told AFAR.

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Atlanta Hartsfield-Jackson International Airport remains the busiest airport in the world with 5.2 million seats in September 2023. The composition of the Global Top 10 Busiest Airports is also the same as last month but there are a few changes to the rankings.

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Most (but again, not all) airports connect international terminals airside. When you're connecting from an international flight to a domestic one, you'll always have to exit and reenter security as you'll need to go through customs and immigration (unless you have gone through preclearance aboard, which is rare).

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If you're flying internationally, you may need to go through a second security screening before your flight: immigration. All you'll need to do here is show your passport and follow the instructions from the immigration staff. This is the last step before you can walk to your gate for your flight.

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International Connections
If your connecting flight is in Terminals 1, 2 or 3, you can take the free, 24-hour Airport Transit System (ATS). All connecting passengers must go through Transportation Security Administration (TSA) security screening.

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There is no one-size-fits-all answer here, it can vary greatly from one airport to another. Some international airports have a minimum connecting time as low as 30 minutes. But usually, when traveling internationally, the MCT is at least an hour. It can go up to 2 hours in large airports requiring a change of terminal.

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In a passenger context, MCT is defined as the shortest time interval required in order to transfer a passenger and his luggage from one flight to a connecting flight, in a specific location or metropolitan area.

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