What is the minimum layover time between international flights?

Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.



The "Minimum Connection Time" (MCT) for international-to-international transfers is not a single fixed number, as it varies by airport, airline, and terminal layout. However, for a "safe" connection, most travel experts recommend a minimum of 2 to 3 hours. In massive hubs like London Heathrow (LHR), Paris Charles de Gaulle (CDG), or New York JFK, you often have to change terminals via trains or buses, clear a secondary security screening, and sometimes navigate through an additional passport control check even if you are just transiting. If you are entering the United States from abroad and connecting to a domestic or another international flight, you must clear Customs and Border Protection, collect your bags, and re-check them, which typically requires a minimum of 3 to 4 hours to be safe. If your flights are on a single ticket, the airline is responsible for rebooking you if a delay causes a missed connection; however, if you booked two separate tickets on different airlines, you should allow at least 5 to 6 hours because the second airline has no obligation to help you if you arrive late.

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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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What is a good connection time? Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.

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If your itinerary was purchased as one ticket (as in: you have only one itinerary and one confirmation number), and the connection time was too short and you miss the second (or third) flight, you can rest easy, no matter what happens. The airline will simply put you onto the next available flight, free of charge.

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So how do you know how much time to leave for connecting flights when you have booked with two separate airlines? The rule of thumb is that you leave AT LEAST 3 hours from arrival to departure for international flights and 1.5 hours for domestic.

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Most airlines recommend arriving at the airport three hours before departure for international flights. It's common for international flights to start boarding earlier than domestic flights (the aircraft are often larger and have higher passenger capacities), which accounts for the earlier recommendation.

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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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Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.

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While, generally, the airline won't wait for connecting passengers, there might be some exceptions. If a flight is delayed, and there are many passengers who are connecting from this delayed flight onto the same connecting flight, the airline will hold the connecting flight for these passengers.

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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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Customs and immigration are usually required at the connecting airport for international flights. You don't always have to for domestic flights. In most cases, passengers on layover flights must clear customs and immigration at the first point of entry.

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What happens if a flight is delayed and you miss your connection? If you miss your connection due to a delay, usually the airline is responsible for providing you with a replacement flight to your destination. They will have to book you on the earliest possible flight available.

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For domestic connections within countries like the USA or Canada, a general rule of thumb is to have at least a 60-minute layover. However, at large airports like Atlanta or Toronto, you might want to consider longer connection times to account for the airport layout and possible security checks.

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No matter what airline you're flying, if you have a connecting flight that arrives in the United States from an international destination, you'll need to pick up your bags and recheck them on your next flight.

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To make an international to international connection: 45 minutes. Airport guidelines also suggest a minimum of 45 minutes for international connections, but given the size of the airport, allowing 60-90 minutes would provide a more comfortable buffer.

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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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It depends on the airline,how late the connecting flight will arrive,crew duty hours, slots at the airports and how many passengers will be transferring. They will also check the passenger load on the next outbound flight.

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While skiplagging isn't illegal, American Airlines filed a civil lawsuit earlier this month against Skiplagged.com, accusing the company of unauthorized and deceptive ticketing practices and tricking customers into believing they've gained access to a secret loophole.

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If you know you'll be traveling during a peak time, it's probably still a good idea to plan on the standard two hours for domestic flights and three hours for international flights. If you're heading to the airport at a slower time of day, then you can consider arriving a little later.

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If you can't avoid connecting, don't book the shortest layover, because you'll be building in stress and the possibility of missing your flight. A 1-hour layover is not enough anymore. Thirty minutes, not a chance. In most cases, 3 hours is safe.

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What happens if a flight is delayed and you miss your connection? If you miss your connection due to a delay, usually the airline is responsible for providing you with a replacement flight to your destination. They will have to book you on the earliest possible flight available.

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Leaving the airport during an international layover is possible but can be more complicated. Depending on the layover country, layover flight rules may require you to secure a visa before being allowed to venture out of the airport.

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A direct flight is identified by a unique flight number. A transit flight, with a connection, has two distinct flight numbers. A flight that is not direct, or connecting flight, involves a change of aircraft.

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The current longest flight in the world
Its longest flight path, which connects Singapore's Changi Airport with New York's John F. Kennedy International Airport, 9,585 miles away, takes 18 hours and 40 minutes. The carrier has been flying the route since 2021.

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