As with so many things in travel, there's a simple answer – and a complicated one. The simple answer is: Two hours for domestic flights, three hours for international flights. (More or less.)
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Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight. That said, there are many factors to consider that will help you decide how much time you should budget for at the airport.
Most airlines cutoff checkin at 30 minutes prior to the flight. That gives time for you to get a boarding pass and get to the gate after security screening, and for checked luggage to get loaded on your aircraft. At that point, seat control shifts to the gate agent who can start releasing seats to standby passengers.
While you're there, check the number of security lines available and see if they offer real-time updates on wait status. Even with these programs, you should still plan to arrive at least 60 to 90 minutes before departure for domestic flights, and 90 minutes to two hours early for international flights.
What is the recommended layover time for international flights? International flights require longer connections as you will often have to go through immigration and customs upon arrival. For international layover flights booked on one airline, two hours is often recommended to make your connection.
To check-in and check bags at the airport, you must be there a certain amount of time before scheduled departure: Within the U.S. – 45 minutes. To or from destinations outside the U.S. – 60 minutes.
Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight. That said, there are many factors to consider that will help you decide how much time you should budget for at the airport.
As a general rule, you should arrive at the airport no less than an hour before a domestic flight. Ninety minutes to two hours is a safer bet, and most airports, such as London Heathrow and London Gatwick, recommend that you get to the airport two hours before a domestic or European flight.
We recommend all passengers arrive at the check-in or bag drop desk at least 2 hours before they are due to fly. If you have booked through an Online Travel Agent, have been required to verify your booking, and wish to do so at the airport, please make sure you arrive at the airport 2 hours before your flight.
When you're traveling within the United States, we make the suggestion to arrive at the airport at least 2 hours prior to departure. For most airports, you must be checked in at least 30 minutes before your scheduled departure time (airports requiring additional time are listed below, Go to footer note).
Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.
TSA and the airlines recommend that all travelers arrive at the airport at least two hours in advance of their flight departure time to ensure they have enough time to check in with their airline and go through security.
For flights landing at U.S. airports, airlines are required to provide passengers with an opportunity to safely get off of the airplane before 3 hours for domestic flights and 4 hours for international flights.
If you arrive at your domestic destination 2+ hours later than your original arrival time, international destination 4+ hours later than your original arrival time, or if the airline does not make substitute travel arrangements for you, you will be compensated for 400% of your one-way ticket price or a $1,550 maximum.
The TSA recommends getting to the airport two hours before a domestic flight, but there are certain factors that could influence whether you should leave earlier or later to catch your flight.
As a general rule, you should arrive at the airport no less than an hour before a domestic flight. Ninety minutes to two hours is a safer bet, and most airports, such as London Heathrow and London Gatwick, recommend that you get to the airport two hours before a domestic or European flight.
When to arrive. We recommend getting to the airport three hours before your flight if you're travelling internationally, or two hours if you're travelling domestically or to Europe.
Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.
We recommend all passengers arrive at the check-in or bag drop desk at least 2 hours before they are due to fly. If you have booked through an Online Travel Agent, have been required to verify your booking, and wish to do so at the airport, please make sure you arrive at the airport 2 hours before your flight.
Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.
As a general rule, you should arrive at the airport no less than an hour before a domestic flight. Ninety minutes to two hours is a safer bet, and most airports, such as London Heathrow and London Gatwick, recommend that you get to the airport two hours before a domestic or European flight.
While you're there, check the number of security lines available and see if they offer real-time updates on wait status. Even with these programs, you should still plan to arrive at least 60 to 90 minutes before departure for domestic flights, and 90 minutes to two hours early for international flights.
To check-in and check bags at the airport, you must be there a certain amount of time before scheduled departure: Within the U.S. – 45 minutes. To or from destinations outside the U.S. – 60 minutes.
I suggest 2 hours at least. Security lines can get long and the walk to your gate can be far too. If its a domestic flight, you can get away w/1 hour but since its international, you should add an hour. 2-3 hours.