What time should you go through security before a 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. That said, there are many factors to consider that will help you decide how much time you should budget for at the airport.



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The general guideline on how early to get to the airport for a domestic flight is 2 hours. However, those traveling at a very busy time of year or out of a large airport might want to allow more time.

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If you book a 6AM domestic flight, for example, you'll need to arrive at the airport by 4AM. Depending on how far you live from the airport, this could mean getting on the road around 3AM or 3:30AM; traffic should be minimal at this time, as should check-in and security lines.

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While each airport will have its own procedures, security generally opens two to three hours before the first departure of the day, and remains open until the last passenger has gone through.

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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.

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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.

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There's much less demand to fly at 6 a.m. than there is at, say, 9 a.m., and that reality is often reflected in the fares charged for a given route.

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The General Guideline for How Early You Should Get to the Airport. 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.

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Are flights busy at 6AM? The probability for a delay is at its lowest (20% or below) from 6am – 11am. Early morning flights have less runway traffic, planes ready to take off from the night before, and fewer planes already in the air. Days of the week can impact the ticket price, along with delays.

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The General Guideline for How Early You Should Get to the Airport. 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.

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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.

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The general guideline on how early to get to the airport for a domestic flight is 2 hours. However, those traveling at a very busy time of year or out of a large airport might want to allow more time.

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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.

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Thanksgiving and Christmas tend to be the busiest travel days of the year, but other holidays like Memorial Day, July Fourth, and Labor Day also see some of the highest volumes of air passengers.

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For domestic flights, you should be at the airport for a minimum of 45 minutes before your flight, although it's much safer to be there 90 minutes to two hours before departure.

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In most cases, you will only need to go to check-in when you have checked-in online if you need to drop off an item of hold baggage. Please ensure that you are aware of the hand baggage requirements for your specific airline before you travel.

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Depending on the airline, travelers may be charged a rebooking fee to get on another flight. Some airlines may also charge the difference in airfare — meaning a missed flight can be a costly inconvenience.

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While it's important to note that the best day of the week to fly varies based on the route, typically, the best days of the week to fly are Tuesdays and Wednesdays. The general rule is that mid-week flights will be cheaper and quieter.

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It is worth doing some research into the airport you are flying from. However, Tuesday and Wednesday are often less busy. This is because you have to take more days off work to fly mid-week, which people are usually reluctant to do. Upgraded Points notes that these days are also often cheaper.

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Early Morning Flight? Sleep in Longer with these Tips
  1. Pack Strategically According to your Travel Day Itinerary. ...
  2. Prioritize Shower + Personal Care the Night Before. ...
  3. Pre-Set Your Travel Day Outfit. ...
  4. Go to Sleep Early. ...
  5. Check In the Day Before. ...
  6. Get TSA Pre-check Access. ...
  7. Weigh Your Bags at Home. ...
  8. Schedule Your Ride Ahead of Time.


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Usually you're advised to be there at least 2 hours earlier to have enough to time for the check-in, luggage on-boarding, security check and other steps needed for you to be ready to attend the flight. Of course, you're totally free to reach the airport last minute, but you'll miss your journey.

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Travelers with TSA PreCheck can use dedicated security lines, keep their shoes on and leave their 3-1-1 liquids and laptops in their bags. These benefits are available when flying on dozens of airlines at over 200 airports.

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