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These tips can help get you through airport security lines faster

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3 weeks ago

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The summer is typically the busiest time for air travel, and the Transportation Security Administration is ready for what could be the highest number of passengers ever this season.

Of course, the influx of travelers brings the potential for longer security lines. The increased wait times can be concerning for those who are running a few minutes behind schedule or are just anxious about missing their flight.

While the lines’ length and speed (or lack thereof) are largely out of any individual’s control, properly prepared travelers can get through security relatively quickly and without any issues. Below are several passenger tips from the TSA to ensure the pre-flight process goes as smoothly as possible.

Be aware of new technology

The TSA has started deploying the second generation of Credential Authentication Technology, known as CAT-2, at many airports. The update includes the same requirements as the original CAT — a passenger’s photo identification, flight details and pre-screening status — with an added camera feature for identity verification.

Travelers who do not want their photo taken may ask security employees for a manual ID check without losing their place in line. Photos are not saved except in limited cases to evaluate the CAT technology.

Some airports have also installed computed tomography (CT) units, which render a 3D image of carry-on bags and reduce the need for physical searches. In lanes with CT units, passengers must place every carry-on item, including bags, into bins.

Remember the 3-1-1 Rule

Travelers unsure about what they can store in their carry-on and what is prohibited only need to remember three numbers.

Liquids, sunscreen and alcohol under 3.4 ounces are allowed; any larger amounts must be packed in a checked bag. That threshold also applies to aerosols, gels, creams and pastes, which are permitted as long as they are placed in one quart-sized bag. Each passenger can only pack one such bag in their carry-on. Otherwise known as:

  • 3.4 ounces or less per container
  • 1 quart size, clear, plastic, zip top bag (all liquids must fit in bag)
  • 1 bag per passenger

The TSA’s website has a more detailed list of what items are acceptable to bring in carry-on bags and/or checked bags.

Have the proper ID

Passengers 18 years and older must show valid identification at the airport in order to travel. The most common forms are driver’s licenses and passports, but the TSA provides a full list of acceptable ID online.

Beginning May 7, 2025, travelers planning to use a driver’s license or state-issued ID to fly in the United States must have a Real ID or another acceptable form of ID. Americans obtaining a Real ID for the first time need to make an appointment at a Motor Vehicle Commission licensing center.

Get to the airport early

The airports will be busy this summer, so arriving well before a flight’s scheduled departure will help offset any delays leading up to the boarding time. The Port Authority of New York and New Jersey recommends arriving two hours before domestic flights and three hours before international travel.

TSA Precheck members: Put your KTN in your reservation

Passengers who are signed up for TSA Precheck should make sure their Known Traveler Number (KTN) is in their reservation to avoid delays. Those who fly with multiple airlines should update their KTN in all airline profiles every time they travel.

TSA Precheck enables travelers to go through security lines more quickly without removing shoes, belts, liquids and other items. Passengers can enroll starting at $77.95 for a five-year membership.

Understand the rules when transporting firearms

Passengers with firearms may be cited, fined or arrested if they are in violation of the law, so it is important to be aware of an airport’s regulations when traveling with them.

Firearms are prohibited at security checkpoints and in aircraft cabins, even if the owner is permitted to carry weapons. Passengers traveling with firearms must secure them in checked baggage, unlocked in a hard-sided case, and declare them to the airline when checking in at the ticket counter.

Respect TSA and other airport employees

This tip may seem like common sense and the right thing to do, but violence and other inappropriate behavior in security lines will result in significant delays to all travelers in the area. Assaulting a TSA employee is a federal offense that will result in the passenger’s arrest and/or other penalties.

Contact TSA with any questions

Travelers can text 275-872 (“AskTSA”) or message @AskTSA on X (formerly Twitter) or Facebook messenger, where an automated virtual assistant is available 24/7 to answer commonly asked questions. Passengers can also reach the TSA Contact Center at 866-289-9673.

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