What Is a Known Traveler Number? Your Guide to TSA PreCheck & Global Entry
Have you ever stood in a long airport security line? You watch other people walk through a special lane. They keep their shoes on. They leave laptops in bags. They move fast. You wonder, "How do they do that?" The answer is often a Known Traveler Number. This simple code can change how you travel. It can save you time and stress. This guide explains everything about Known Traveler Numbers. You will learn what they are, how to get one, and why you need it.
A Known Traveler Number (KTN) is a unique identification. It is given to travelers who pass a security check. The check is done by the U.S. Transportation Security Administration (TSA). The number proves you are a low-risk traveler. This status lets you use expedited security programs. The most famous programs are TSA PreCheck® and Global Entry. With a KTN, airport security becomes faster and easier. You can keep your shoes, belt, and light jacket on. You can leave your laptop and liquids in your bag. The lines are usually much shorter.
This guide is very detailed. It has over 2000 words. We will cover all important topics. You will learn the history of trusted traveler programs. We will explain the difference between TSA PreCheck and Global Entry. You will get a step-by-step guide to apply. We will share tips to use your KTN correctly. We will answer common questions. We will also look at real examples and statistics. By the end, you will know if a Known Traveler Number is right for you. Let's begin this journey to easier travel.
The History and Purpose of Trusted Traveler Programs
Trusted traveler programs did not always exist. They started after the terrorist attacks of September 11, 2001. Airport security changed completely. The TSA was created. Security checks became much stricter. This made lines longer. It also made travel more stressful for everyone. The government wanted a better system. They wanted to focus security resources on higher-risk travelers. This idea led to trusted traveler programs.
The first major program was Global Entry. It started in 2008. It was run by U.S. Customs and Border Protection (CBP). It focused on speeding up entry into the United States. TSA PreCheck began in 2013. It focused on domestic airport security. Both programs use a Known Traveler Number. The number links to your background check information. The goal is simple: make travel safer and more efficient. Low-risk travelers get a faster process. Security officers can focus on unknown threats.
Why Was the Known Traveler Number Created?
The Known Traveler Number solves a big problem. How do you prove you are a trusted traveler? You could show a membership card. But cards can be lost or faked. A unique number is more secure. Airlines can add it to your reservation. The TSA system checks the number when you scan your boarding pass. If your KTN is valid, you get access to the fast lane. The system is automated and secure. It works across many airports and airlines.
The program has been very successful. Millions of people now have a KTN. According to the TSA's official website, over 15 million people were enrolled in TSA PreCheck as of 2023. The system reduces wait times. It improves the travel experience. It also makes airports more secure. Security is not just about long lines. It is about smart screening. The KTN helps make screening smarter.
TSA PreCheck vs. Global Entry: What's the Difference?
Many people confuse TSA PreCheck and Global Entry. They are both trusted traveler programs. They both give you a Known Traveler Number. But they are different. It is important to know which one you need. Here is a simple comparison.
TSA PreCheck®: This program is for domestic travel within the United States. When you have TSA PreCheck, you go through special security lanes at U.S. airports. You do not need to remove your shoes, laptops, liquids, belts, or light jackets. The application fee is $78 for five years. That is about $15.60 per year. You must be a U.S. citizen, U.S. national, or lawful permanent resident. The application involves an online form and a short in-person appointment.
Global Entry: This program is for international travelers. It is run by Customs and Border Protection (CBP). Global Entry gives you expedited clearance when you return to the United States. You use automated kiosks at the airport. You skip the long customs lines. Global Entry also includes TSA PreCheck benefits. So, you get both fast security and fast customs. The application fee is $100 for five years. You must complete a more detailed online application. You also have an interview with a CBP officer. The interview is often at an airport.
Which Program Should You Choose?
Your choice depends on your travel habits. Ask yourself these questions.
- Do you only fly within the United States? Then TSA PreCheck might be enough.
- Do you travel internationally at least once a year? Then Global Entry is better.
- Do you want both domestic and international benefits? Global Entry gives you both.
- Is the higher fee and longer application okay for you? Global Entry costs more and takes more time.
Many frequent travelers choose Global Entry. It offers more value. The CBP Global Entry page has full details. Some credit cards even pay the application fee for you. This is a great perk to check.
How to Get Your Known Traveler Number: A Step-by-Step Guide
Getting your KTN is a process. It is not instant. But it is straightforward. Follow these steps carefully. We will use TSA PreCheck as the main example. The steps for Global Entry are similar but with an interview.
Step 1: Choose Your Program
Decide between TSA PreCheck and Global Entry. Think about your travel needs. Remember, Global Entry includes TSA PreCheck. If you can afford it, Global Entry is often the best choice.
Step 2: Complete the Online Application
Go to the official government website. For TSA PreCheck, visit the TSA PreCheck application page. For Global Entry, visit the Trusted Traveler Programs website. Do not use third-party sites that charge extra fees. The official site is the only place you should apply. You will need to provide personal information. This includes your full name, date of birth, address history, and citizenship details. Be honest and accurate.
Step 3: Schedule and Attend Your In-Person Appointment
After your online application, you must schedule an appointment. For TSA PreCheck, you will go to an enrollment center. You can find centers in many locations. For Global Entry, you will schedule an interview at an enrollment center or an airport. At the appointment, they will:
- Verify your identity documents (passport, driver's license).
- Take your fingerprints digitally.
- Take a photo of you.
- Collect the application fee.
The appointment usually takes 10-15 minutes. Be on time. Bring all required documents.
Step 4: Wait for Approval and Receive Your KTN
After your appointment, you must wait. The TSA or CBP will run a background check. This can take a few weeks. Some people get approved in 3-5 days. Others wait a month. You will get a notification by email or mail. Once approved, you will receive your Known Traveler Number. This is a 9-digit code. It often starts with the number 9 or 15. Save this number in a safe place.
Step 5: Add Your KTN to Airline Reservations
Your KTN does not work automatically. You must add it to your airline reservations. You can do this when you book a flight. You can also add it later through the airline's website or app. Go to your traveler profile or reservation details. Look for a field called "Known Traveler Number," "TSA PreCheck," or "Redress/Passenger Info." Enter your 9-digit number. Save the changes. The KTN must be on your boarding pass for you to use the fast lane.
Practical Tips for Using Your Known Traveler Number
Having a KTN is great. But you must use it correctly. Here are practical tips to get the most from your trusted traveler status.
Tip 1: Always Double-Check Your Boarding Pass
After you add your KTN, check your boarding pass. Look for the TSA PreCheck or Global Entry indicator. It is usually a logo or text on the pass. If you do not see it, your KTN might not be linked. Go to the airline counter or kiosk at the airport. Ask them to add your number. Do this before you go to security.
Tip 2: Know Which Airports and Airlines Participate
Most major U.S. airports have TSA PreCheck lanes. Over 200 airports participate. But not all airlines are part of the program. Most U.S. airlines are participants. This includes Delta, American, United, Southwest, and JetBlue. Some international airlines also participate. Always check with your airline when you book. The TSA PreCheck airport map shows participating locations.
Tip 3: Your KTN is for You Only
Your Known Traveler Number is personal. It is only for you. You cannot share it with family or friends. Children 12 and under can use the TSA PreCheck lane with an eligible parent. Teenagers 13-17 must have their own KTN if they want to use PreCheck alone. For families, plan ahead.
Tip 4: Renew Before Your Membership Expires
Your TSA PreCheck or Global Entry membership lasts five years. You can renew it online. Start the renewal process several months before it expires. Do not wait until the last week. If your membership expires, you lose your benefits. You will have to apply again from the beginning.
Tip 5> Use Credit Card Benefits
Many premium travel credit cards offer a fee credit for Global Entry or TSA PreCheck. Cards like the Chase Sapphire Reserve, Platinum Card from American Express, and others often provide this benefit. Check your card's perks. It can save you $78 to $100.
Frequently Asked Questions (FAQ)
1. How long does it take to get a Known Traveler Number?
It usually takes 2-3 weeks after your in-person appointment. Sometimes it is faster. For Global Entry, the interview scheduling can add time. The whole process can take 4-6 weeks. Apply well before a big trip.
2. Can I use my KTN for international flights?
Your TSA PreCheck KTN only works for security within the United States. For faster customs when returning to the U.S., you need Global Entry. Some international airports have similar programs. For example, the UK has Registered Traveller. But your U.S. KTN does not work for those.
3. What if my Known Traveler Number is not on my boarding pass?
First, check your airline reservation. Make sure the number is saved in your traveler profile. If it is, but still not showing, contact the airline. They can fix it at the airport. Go to the check-in desk or a customer service agent. Do this before you go to security.
4. Is the Known Traveler Number the same as a Passport Number?
No. They are completely different. Your passport number is a travel document identifier. Your KTN is a trusted traveler program identifier. You need both for international travel with Global Entry.
5. Can I transfer my KTN to another person?
No. Your KTN is tied to your name and biometric data (fingerprints). It is not transferable. If someone else uses your number, they will not get PreCheck benefits. It is also against the rules.
6. What happens if I forget my Known Traveler Number?
You can look it up online. For TSA PreCheck, use the TSA PreCheck lookup tool. You will need your name, date of birth, and other details. For Global Entry, log into your Trusted Traveler Programs account. Your number is in your profile.
7. Does a KTN guarantee I will get TSA PreCheck every time?
No. TSA uses random and unpredictable security measures. Sometimes, even with a KTN, you may be directed to the standard lane. This is normal. It is part of security. But it does not happen often.
Real Examples and Statistics
Let's look at some real data. This shows how popular and useful these programs are.
Example 1: Sarah's Business Trip
Sarah is a business consultant. She flies twice a month within the U.S. Before PreCheck, she arrived at the airport 2 hours early. She was always stressed about lines. After getting her KTN, she arrives 90 minutes early. She saves 30 minutes each trip. That is 12 hours saved per year. She is more relaxed and productive.
Example 2: The Johnson Family Vacation
The Johnson family of four travels to Europe every summer. They used to dread the customs line at JFK Airport. The line was often over an hour long. They all got Global Entry. Now, they use the kiosks. They are through customs in 5 minutes. The kids are happier. The vacation starts sooner.
Statistics:
- Over 15 million people have TSA PreCheck (Source: TSA, 2023).
- 99% of TSA PreCheck passengers wait less than 5 minutes in line (Source: TSA data).
- Global Entry has over 10 million members (Source: CBP).
- On average, TSA PreCheck lanes process passengers 2-3 times faster than standard lanes.
- A survey by Upgraded Points found 92% of members said PreCheck was worth the fee.
Common Problems and How to Solve Them
Sometimes, things go wrong. Here are common problems with KTNs and how to fix them.
Problem 1: Name Mismatch
Your name on your KTN account must match your government ID exactly. If you book a ticket with a nickname ("Mike" instead of "Michael"), the system might not recognize you. Always use your legal name when flying. Update your airline profile to match your ID.
Problem 2: Membership Expired
If your PreCheck or Global Entry is expired, your KTN will not work. You will not get the benefits. Check your expiration date regularly. Mark your calendar for renewal.
Problem 3: The KTN Field is Missing When Booking
Some airline websites or travel agencies hide the KTN field. Look carefully in the passenger details section. If you cannot find it, call the airline after booking. Give them your number over the phone. They can add it to your reservation.
Problem 4: Denied or Delayed Application
A small number of applications are denied or delayed. This can happen if there is a problem with your background check. If you are denied, you will get a letter explaining why. You can sometimes appeal the decision. For delays, be patient. You can check your application status online.
Conclusion: Is a Known Traveler Number Right for You?
A Known Traveler Number is a powerful tool. It makes air travel faster and less stressful. For frequent travelers, it is almost essential. The time saved adds up quickly. The cost is relatively low for five years of benefits. Think about how much you value your time and comfort at the airport.
If you fly domestically a few times a year, TSA PreCheck is a great investment. If you travel internationally, Global Entry offers more value. The application process is simple. The hardest part is waiting for approval. Once you have your KTN, remember to add it to every flight reservation. Check your boarding pass every time.
Travel should be about adventure, not stress. A Known Traveler Number helps remove a big source of travel stress. It lets you focus on the journey and the destination. Start your application today. Your future self at the airport will thank you. For more travel tips and guides, explore other articles on our site, like our guide on smart packing tips or how to find cheap flights.
Safe and speedy travels!