How to Check If You Have TSA PreCheck

How to find out whether your TSA PreCheck membership is active

The fastest way to check your TSA PreCheck status is to log into your account on the official TSA website at tsa.gov. Go to the "Manage Benefits" section, sign in with your credentials, and you will see your membership status, expiration date, and known traveler number (KTN) right away. If you cannot remember your password, use the password reset option on the login page.

If you do not have online access or prefer to call, you can contact the TSA directly at 1-855-347-8371. Have your driver's license or passport number ready. The TSA representative will look up your account and tell you whether your membership is current, when it expires, and what your KTN is.

A third option is to check your email. When you first enrolled in TSA PreCheck, you received a confirmation email with your KTN and membership details. Search your email inbox (including spam and promotions folders) for messages from tsa.gov or the enrollment center you visited. That email contains your status information.

Key Takeaways

• Log into tsa.gov and navigate to "Manage Benefits" to see your membership status, expiration date, and known traveler number in seconds.
• Call the TSA at 1-855-347-8371 with your driver's license or passport number if you prefer phone support or do not have online access.
• Your original enrollment confirmation email from tsa.gov contains your known traveler number and membership details if you need to find them quickly.
• TSA PreCheck membership lasts five years from your enrollment date, so check the expiration date to know when you need to renew.

What your known traveler number tells you

Your known traveler number (KTN) is a nine-character code that proves you have active TSA PreCheck membership. If you have a KTN, you have TSA PreCheck. This number is what you enter when you book a flight or check in at the airport, and it tells the airline and TSA that you have passed the background check and security vetting.

You can find your KTN in three places: your TSA PreCheck card (if you received a physical card), your account on tsa.gov, or your original enrollment confirmation email. Write it down or save it in your phone so you have it when you book flights. Some travelers add it to their airline frequent-flyer profiles so it is automatically included in every reservation.

Checking your membership status before a trip

Before you travel, log into tsa.gov at least two weeks ahead of your flight to confirm your membership is still active. Membership expires five years from your enrollment date, and many travelers forget the expiration date until they try to check in at the airport.

When you book your flight, enter your KTN in the "Known Traveler Number" field during check-in. The airline will confirm whether the number is valid and active. If the airline does not recognize your KTN or says it is expired, contact the TSA when ready at 1-855-347-8371 rather than waiting until you arrive at the airport.

If your membership has expired, you will need to enroll again before your trip if you want to use PreCheck lanes. Renewal takes time, so plan ahead. You can start the renewal process on tsa.gov, but you will still need to visit an enrollment center for an in-person appointment, which may not be available on short notice.

What happens if your membership is expired or inactive

If your TSA PreCheck membership has expired, you will not be able to use PreCheck security lanes at the airport, even if you have a KTN. You will go through standard security screening instead, which takes longer. The TSA will not automatically renew your membership, so you have to start the process yourself.

Expired membership does not affect your ability to fly — you can still board your flight using standard security. It only means you lose the benefit of shorter security lines and the ability to keep shoes, belts, and light jackets on during screening.

If your account shows as inactive (rather than expired), contact the TSA at 1-855-347-8371 to find out why. Sometimes accounts are suspended if there is a problem with your background check or if you provided incorrect information during enrollment. The TSA can explain what happened and tell you whether you can reactivate the account or need to enroll again.

Using your KTN if you lost your TSA PreCheck card

You do not need a physical TSA PreCheck card to use your membership. Your known traveler number is what matters. As long as you enter your KTN when you book your flight or check in at the airport, you can use PreCheck security lanes even if your card is lost, damaged, or at home.

Save your KTN in your phone, email it to yourself, or write it on a piece of paper you carry in your wallet. When you check in at the airport, tell the agent your KTN if the system does not pull it up automatically. The agent can manually enter it and you will be routed to the PreCheck lane.

If you want a replacement physical card, you can order one through your tsa.gov account. There is usually a small fee, and it takes one to two weeks to arrive. A replacement card is not necessary to travel, but some people prefer having it as backup.

Checking TSA PreCheck status for family members

Each person needs their own TSA PreCheck account and KTN. You cannot use someone else's number, even a family member's. If you are traveling with children or other family members, each person who wants to use PreCheck security lanes must have enrolled separately and have their own membership.

To check a family member's status, they need to log into their own tsa.gov account or call the TSA with their own identification. Parents cannot check their children's accounts without the child's login credentials. If a child's account was set up under a parent's email, the parent can reset the password and log in, but this only works if the account was created that way.

Frequently Asked Questions

How long does TSA PreCheck membership last?

TSA PreCheck membership is valid for five years from your enrollment date. You can find your exact expiration date by logging into tsa.gov or calling 1-855-347-8371. When it expires, you will need to enroll again if you want to continue using PreCheck lanes.

Can I use my KTN if my membership is expired?

No. An expired KTN will not work at the airport or when you book a flight. The airline system will reject it, and you will be routed to standard security screening. You must renew your membership before your trip if you want to use PreCheck lanes again.

What if I never received my TSA PreCheck card?

You do not need a physical card to use your membership. Your known traveler number is all that matters. If you enrolled and received a confirmation email with your KTN, you can use PreCheck at the airport by entering that number when you check in. A card is optional.

Can I check someone else's TSA PreCheck status?

No. Each person's account is private and requires their own login credentials. You can only check your own status on tsa.gov or by calling the TSA with your own identification. Family members must check their own accounts separately.

What should I do if the TSA says my KTN is invalid?

Call the TSA at 1-855-347-8371 right away. Your KTN might be invalid because your membership expired, your account was suspended, or there was a data entry error. The TSA can tell you what happened and whether you can fix it before your flight or need to enroll again.