What Is Known Traveler Number: A Comprehensive Guide

Introduction to Known Traveler Number (KTN)

What Is Known Traveler Number? Simply put, it’s your key to unlocking a smoother, faster, and less stressful airport security experience. A Known Traveler Number (KTN) is a unique identifier assigned to individuals who have been vetted and approved by the Transportation Security Administration (TSA) or other trusted traveler programs. This number, when provided during airline booking, allows you to access expedited security screening lanes at airports across the United States. Think of it as your VIP pass to breezing through security lines, saving you valuable time and minimizing travel-related stress. TRAVELS.EDU.VN is here to guide you through understanding and utilizing your KTN to enhance your travel experiences, especially if you’re planning a delightful trip to Napa Valley and want to minimize airport hassle. Let’s make your journey as enjoyable as the destination!

What Are the Benefits of Having a KTN?

Known Traveler Numbers grant faster security lines and more streamlined airport journeys.

1. Understanding the Known Traveler Number (KTN)

A Known Traveler Number (KTN) is a unique identifier assigned to individuals who have enrolled in and been approved for trusted traveler programs like TSA PreCheck®, Global Entry, NEXUS, or SENTRI. This number is crucial for accessing expedited security screening benefits at airports. Essentially, it tells the TSA that you have been pre-screened and are considered a low-risk traveler.

1.1. What Does a KTN Look Like?

A KTN typically consists of a combination of letters and numbers, usually nine characters long. For example, it might look something like “ABC1234DE.” This unique identifier is directly linked to your background check and trusted traveler status.

1.2. Who Issues Known Traveler Numbers?

KTNs are issued by different government agencies, depending on the program you enroll in:

TSA PreCheck®: The Transportation Security Administration (TSA) issues KTNs to individuals approved for TSA PreCheck®.
Global Entry: U.S. Customs and Border Protection (CBP) issues KTNs (also known as a PASSID) to individuals approved for Global Entry, NEXUS, and SENTRI.

1.3. Where Can You Find Your KTN?

Your KTN can be found on various documents and online portals, depending on the program you are enrolled in:

TSA PreCheck® Approval Letter: This letter, received upon approval, clearly displays your KTN.
Global Entry, NEXUS, or SENTRI Card: The PASSID printed on the back of your card serves as your KTN.
Trusted Traveler Program (TTP) Website: You can log into your TTP account on the CBP website to retrieve your PASSID/KTN.

1.4. Why Is a KTN Important?

Your KTN is essential for accessing expedited security screening benefits when flying. When you enter your KTN during the airline booking process, the airline transmits this information to the TSA. This allows the TSA to recognize your trusted traveler status and mark your boarding pass with the TSA PreCheck® indicator.

1.5. What Happens If You Don’t Have a KTN?

If you don’t have a KTN, you will likely have to go through standard security screening procedures, which often involve longer wait times and more thorough inspections. While TSA PreCheck® lanes are not exclusive and sometimes standard passengers are routed through them, having a KTN significantly increases your chances of a faster and more convenient airport experience.

2. Trusted Traveler Programs That Provide a KTN

Several trusted traveler programs offer a KTN, each with its own eligibility requirements, benefits, and application process. Understanding these programs will help you choose the one that best suits your travel needs.

2.1. TSA PreCheck®: Expedited Screening for Domestic Travel

TSA PreCheck® is a program that allows low-risk travelers to experience expedited security screening at participating U.S. airports.

2.1.1. Benefits of TSA PreCheck®

Faster Security Lines: Access dedicated TSA PreCheck® lanes, which typically have shorter wait times.
No Need to Remove Shoes, Belts, or Light Jackets: Keep these items on during screening, saving you time and hassle.
Laptop and Liquids Stay in Your Bag: No need to remove these items for inspection, further streamlining the process.
Available at Over 200 Airports: TSA PreCheck® is widely available across the United States.

2.1.2. Eligibility Requirements for TSA PreCheck®

U.S. citizen, U.S. national, or lawful permanent resident.
Not disqualified due to certain criminal offenses or security concerns.
Must provide accurate and complete information during the application process.

2.1.3. How to Apply for TSA PreCheck®

Online Application: Complete the online application form on the TSA website.
Schedule an Appointment: Schedule an in-person appointment at a TSA enrollment center.
In-Person Appointment: Attend your appointment, provide required documentation (such as a U.S. passport or driver’s license), and undergo fingerprinting.
Background Check: The TSA will conduct a background check to ensure you meet the eligibility requirements.
Approval and KTN: If approved, you will receive a KTN, which you can use when booking flights.

2.1.4. Cost and Renewal of TSA PreCheck®

The application fee for TSA PreCheck® is $85 and is valid for five years.
You can renew your membership online up to six months before expiration. The renewal fee is also $70.

2.2. Global Entry: Expedited Screening for International Travel

Global Entry is a U.S. Customs and Border Protection (CBP) program that allows expedited clearance for pre-approved, low-risk travelers upon arrival in the United States.

2.2.1. Benefits of Global Entry

Expedited Entry into the U.S.: Use automated kiosks at select airports to quickly process your entry.
No Processing Lines: Bypass regular customs and immigration lines, saving you significant time.
TSA PreCheck® Included: Global Entry members automatically receive TSA PreCheck® benefits.
Available at Major U.S. Airports: Global Entry kiosks are available at most major U.S. airports and select international locations.

2.2.2. Eligibility Requirements for Global Entry

U.S. citizen, U.S. lawful permanent resident, or citizen of certain other countries (e.g., Mexico, Canada, UK, Germany).
Not disqualified due to certain criminal offenses or immigration violations.
Must provide accurate and complete information during the application process.

2.2.3. How to Apply for Global Entry

Create a Trusted Traveler Program (TTP) Account: Create an account on the CBP’s TTP website.
Online Application: Complete the online application form and pay the non-refundable fee.
Conditional Approval: If your application is conditionally approved, you will be invited to schedule an interview.
Interview: Attend an in-person interview at a Global Entry enrollment center.
Approval and PASSID/KTN: If approved, you will receive a Global Entry card and a PASSID, which serves as your KTN.

2.2.4. Cost and Renewal of Global Entry

The application fee for Global Entry is $100 and is valid for five years.
You can renew your membership online up to one year before expiration. The renewal fee is also $100.

2.3. NEXUS: Expedited Screening Between the U.S. and Canada

NEXUS is a joint program between the U.S. and Canada that allows expedited border clearance for pre-approved, low-risk travelers crossing between the two countries.

2.3.1. Benefits of NEXUS

Expedited Border Crossing: Use dedicated lanes at land border crossings and expedited processing at airports.
Marine Reporting: Report arrival into the U.S. or Canada via telephone.
TSA PreCheck® Included: NEXUS members automatically receive TSA PreCheck® benefits.

2.3.2. Eligibility Requirements for NEXUS

U.S. citizen, U.S. lawful permanent resident, Canadian citizen, or Canadian permanent resident.
Not disqualified due to certain criminal offenses or immigration violations.
Must provide accurate and complete information during the application process.

2.3.3. How to Apply for NEXUS

Create a Trusted Traveler Program (TTP) Account: Create an account on the CBP’s TTP website.
Online Application: Complete the online application form and pay the non-refundable fee.
Conditional Approval: If your application is conditionally approved, you will be invited to schedule an interview.
Interview: Attend an in-person interview at a NEXUS enrollment center.
Approval and PASSID/KTN: If approved, you will receive a NEXUS card and a PASSID, which serves as your KTN.

2.3.4. Cost and Renewal of NEXUS

The application fee for NEXUS is $50 and is valid for five years.
You can renew your membership online up to one year before expiration. The renewal fee is also $50.

2.4. SENTRI: Expedited Screening at Southern Land Borders

SENTRI (Secure Electronic Network for Travelers Rapid Inspection) is a CBP program that allows expedited border clearance for pre-approved, low-risk travelers entering the U.S. from Mexico at southern land borders.

2.4.1. Benefits of SENTRI

Expedited Border Crossing: Use dedicated lanes at land border crossings between the U.S. and Mexico.
TSA PreCheck® Included: SENTRI members automatically receive TSA PreCheck® benefits.

2.4.2. Eligibility Requirements for SENTRI

U.S. citizen, U.S. lawful permanent resident, or Mexican citizen.
Not disqualified due to certain criminal offenses or immigration violations.
Must provide accurate and complete information during the application process.

2.4.3. How to Apply for SENTRI

Create a Trusted Traveler Program (TTP) Account: Create an account on the CBP’s TTP website.
Online Application: Complete the online application form and pay the non-refundable fee.
Conditional Approval: If your application is conditionally approved, you will be invited to schedule an interview.
Interview: Attend an in-person interview at a SENTRI enrollment center.
Approval and PASSID/KTN: If approved, you will receive a SENTRI card and a PASSID, which serves as your KTN.

2.4.4. Cost and Renewal of SENTRI

The application fee for SENTRI is $122.25 and is valid for five years.
You can renew your membership online up to one year before expiration. The renewal fee is also $122.25.

2.5. Choosing the Right Trusted Traveler Program

When selecting a trusted traveler program, consider the following factors:

Travel Frequency: How often do you travel, both domestically and internationally?
Travel Destinations: Where do you typically travel?
Budget: How much are you willing to spend on the application fee?
Benefits: Which benefits are most important to you?

Table: Comparison of Trusted Traveler Programs

Program	Cost	Validity	Benefits	Ideal For
TSA PreCheck®	$85	5 years	Expedited screening at U.S. airports	Frequent domestic travelers
Global Entry	$100	5 years	Expedited entry into the U.S., TSA PreCheck® included	Frequent international travelers
NEXUS	$50	5 years	Expedited border crossing between the U.S. and Canada, TSA PreCheck® included	Travelers who frequently cross the U.S.-Canada border
SENTRI	$122.25	5 years	Expedited border crossing at southern land borders, TSA PreCheck® included	Travelers who frequently cross the U.S.-Mexico border by land

Applying for TSA PreCheck grants access to faster airport screening lines.

3. How to Use Your KTN When Booking Flights

Once you have obtained your KTN, it’s essential to know how to use it correctly to ensure you receive the benefits of expedited security screening.

3.1. Entering Your KTN During Booking

When booking your flight online or through a travel agent, you will typically be prompted to enter your KTN (or PASSID) in a designated field. This field is usually labeled as “Known Traveler Number,” “PASSID,” or “Secure Flight Passenger Data.”

3.1.1. Where to Find the KTN Field

The location of the KTN field may vary depending on the airline or booking platform, but it is typically found in the personal information section of the booking form. Look for it near fields for your name, date of birth, and contact information.

3.1.2. Ensuring Accuracy

It is crucial to enter your KTN accurately, as even a single incorrect digit can prevent you from receiving TSA PreCheck® benefits. Double-check your KTN against your approval letter or trusted traveler card before submitting your booking.

3.2. Adding Your KTN to Your Airline Profile

To avoid having to enter your KTN every time you book a flight, you can add it to your frequent flyer profile with each airline you use. This will automatically populate the KTN field whenever you book a flight with that airline.

3.2.1. How to Add Your KTN to Your Profile

Log in to your airline’s website or app.
Navigate to your account settings or profile page.
Look for a section labeled “Known Traveler Number,” “TSA PreCheck,” or “Secure Flight Information.”
Enter your KTN and save your changes.

3.3. Verifying Your KTN on Your Boarding Pass

After booking your flight and entering your KTN, check your boarding pass to ensure that it displays the TSA PreCheck® indicator. This indicator is typically a small logo or text that says “TSA PreCheck” and it confirms that you are eligible for expedited screening.

3.3.1. What to Do If Your Boarding Pass Doesn’t Show TSA PreCheck®

If your boarding pass does not show the TSA PreCheck® indicator, there are several steps you can take:

Verify Your KTN: Double-check that you entered your KTN correctly during booking and that it is stored accurately in your airline profile.
Check Your Name and Date of Birth: Ensure that the name and date of birth on your airline booking exactly match the information on your trusted traveler program application.
Contact the Airline: Contact the airline’s customer service department to inquire about the missing TSA PreCheck® indicator. They may be able to manually add it to your booking.
Contact TSA: If the airline is unable to resolve the issue, you can contact the TSA Contact Center for assistance.

3.4. Additional Tips for Using Your KTN

Use the Same Name: Always use the same name when booking flights as you used on your trusted traveler program application.
Keep Your Information Updated: Ensure that your contact information and passport details are up-to-date in your trusted traveler program account.
Report Lost or Stolen Cards: If your Global Entry, NEXUS, or SENTRI card is lost or stolen, report it immediately to CBP.

Global Entry kiosks expedite entry into the U.S. and include TSA PreCheck.

4. Troubleshooting Common KTN Issues

Even with a valid KTN, you may occasionally encounter issues that prevent you from receiving TSA PreCheck® benefits. Understanding these common problems and how to resolve them can save you time and frustration at the airport.

4.1. KTN Not Appearing on Boarding Pass

One of the most common issues is that the TSA PreCheck® indicator does not appear on your boarding pass, despite having a valid KTN.

4.1.1. Reasons for Missing TSA PreCheck®

Incorrect KTN: The KTN was entered incorrectly during booking or is stored incorrectly in your airline profile.
Name Mismatch: The name on your airline booking does not exactly match the name on your trusted traveler program application.
Date of Birth Mismatch: The date of birth on your airline booking does not exactly match the date of birth on your trusted traveler program application.
Airline Not Participating: The airline is not a participating member of the TSA PreCheck® program.
Random Screening: The TSA uses random screening measures, and even trusted travelers may occasionally be selected for standard screening.

4.1.2. Steps to Resolve Missing TSA PreCheck®

Verify Your KTN: Double-check that you entered your KTN correctly during booking and that it is stored accurately in your airline profile.
Check Your Name and Date of Birth: Ensure that the name and date of birth on your airline booking exactly match the information on your trusted traveler program application.
Contact the Airline: Contact the airline’s customer service department to inquire about the missing TSA PreCheck® indicator. They may be able to manually add it to your booking.
Contact TSA: If the airline is unable to resolve the issue, you can contact the TSA Contact Center for assistance.

4.2. KTN Marked as Invalid

Another issue you may encounter is that your KTN is marked as invalid when you attempt to enter it during booking.

4.2.1. Reasons for Invalid KTN

Expired Membership: Your trusted traveler program membership has expired.
Suspended or Revoked Membership: Your membership has been suspended or revoked due to a violation of program rules or security concerns.
Data Entry Error: You are entering the KTN incorrectly.

4.2.2. Steps to Resolve Invalid KTN

Check Your Membership Status: Log in to your trusted traveler program account on the CBP website or TSA website to verify your membership status and expiration date.
Contact CBP or TSA: If your membership is active and you are still encountering issues, contact CBP or TSA for assistance.

4.3. Name Discrepancies

Name discrepancies between your airline booking and your trusted traveler program application can also cause issues with receiving TSA PreCheck® benefits.

4.3.1. Common Name Discrepancy Issues

Middle Name or Initial: Including or omitting your middle name or initial can cause a mismatch.
Hyphenated Names: Using a hyphenated name differently than how it is listed on your application can cause issues.
Nicknames: Using a nickname instead of your legal name can cause a mismatch.

4.3.2. Steps to Resolve Name Discrepancies

Use Your Legal Name: Always use your legal name as it appears on your trusted traveler program application when booking flights.
Update Your Trusted Traveler Program Account: If you have legally changed your name, update your information in your trusted traveler program account.
Contact CBP or TSA: If you are still encountering issues after updating your information, contact CBP or TSA for assistance.

4.4. Technical Issues with Airline Systems

Sometimes, technical issues with airline systems can prevent your KTN from being properly transmitted to the TSA.

4.4.1. Identifying Technical Issues

Inconsistent Results: You receive TSA PreCheck® benefits sometimes but not others, even when using the same KTN and booking information.
Error Messages: You receive error messages when attempting to enter your KTN during booking.

4.4.2. Steps to Resolve Technical Issues

Contact the Airline: Contact the airline’s customer service department to report the issue.
Try a Different Booking Method: Try booking your flight through a different website or app, or by calling the airline directly.
Clear Your Browser Cache: Clearing your browser cache and cookies may resolve some technical issues.

NEXUS provides expedited border crossings between the U.S. and Canada.

5. Maximizing Your Travel Experience with a KTN

Having a KTN is more than just a convenience; it’s a strategic advantage that can significantly enhance your overall travel experience. From saving time at the airport to reducing stress, a KTN can make your journey more enjoyable and efficient.

5.1. Time Savings at the Airport

One of the most significant benefits of having a KTN is the time savings you can experience at the airport. TSA PreCheck® lanes typically have shorter wait times than standard security lines, allowing you to breeze through security and get to your gate faster.

5.1.1. Average Wait Times

According to TSA data, the average wait time in TSA PreCheck® lanes is less than 5 minutes, compared to much longer wait times in standard security lines. This can save you valuable time, especially during peak travel periods.

5.1.2. Real-Life Examples

Imagine you’re traveling from a busy airport like Los Angeles International Airport (LAX) or John F. Kennedy International Airport (JFK) during the holiday season. Without TSA PreCheck®, you might spend an hour or more waiting in security lines. With a KTN, you could be through security in a matter of minutes, giving you more time to relax, grab a coffee, or catch up on work before your flight.

5.2. Reduced Stress and Hassle

In addition to saving time, a KTN can also reduce stress and hassle at the airport. With TSA PreCheck®, you don’t have to remove your shoes, belt, or light jacket, and you can leave your laptop and liquids in your bag. This simplifies the screening process and makes it less stressful.

5.2.1. Easier Screening Process

The expedited screening process not only saves time but also makes the entire experience more comfortable. You don’t have to fumble with removing and replacing your belongings, and you can keep your personal items with you at all times.

5.2.2. Peace of Mind

Knowing that you can breeze through security quickly and easily can give you peace of mind and reduce anxiety about potential delays or complications at the airport.

5.3. More Predictable Travel Experience

With a KTN, you can have a more predictable travel experience. You can rely on shorter wait times and a streamlined screening process, which can help you better plan your travel itinerary and avoid unexpected delays.

5.3.1. Reliable Benefits

While TSA PreCheck® is not a guarantee of expedited screening every time, it significantly increases your chances of a faster and more convenient airport experience.

5.3.2. Consistent Experience

By using your KTN consistently when booking flights, you can establish a reliable pattern of expedited screening, which can make your travel experience more consistent and predictable.

5.4. Combining with Other Travel Programs

To maximize your travel benefits, consider combining your KTN with other travel programs, such as airline frequent flyer programs and hotel loyalty programs.

5.4.1. Airline Frequent Flyer Programs

Earning frequent flyer miles can help you accumulate points for free flights, upgrades, and other travel perks.

5.4.2. Hotel Loyalty Programs

Joining hotel loyalty programs can provide you with benefits such as free nights, room upgrades, and complimentary amenities.

5.5. Planning Your Napa Valley Getaway with TRAVELS.EDU.VN

Now that you understand the benefits of having a KTN, let TRAVELS.EDU.VN help you plan the perfect Napa Valley getaway. We offer a variety of curated tours and services to make your trip unforgettable.

5.5.1. Napa Valley Tours

Explore the stunning vineyards, sample world-class wines, and indulge in gourmet cuisine with our expertly guided Napa Valley tours.

5.5.2. Luxury Accommodations

Stay in luxurious hotels and resorts that offer exceptional service and breathtaking views.

5.5.3. Customized Itineraries

Let us create a customized itinerary that caters to your specific interests and preferences, ensuring a truly personalized experience.

Napa Valley’s vineyards are a popular destination, made easier to reach with a KTN.

6. Maintaining Your KTN and Membership

Once you have obtained your KTN and enrolled in a trusted traveler program, it’s crucial to maintain your membership to continue enjoying the benefits of expedited security screening.

6.1. Renewing Your Membership

Trusted traveler program memberships are typically valid for five years. To continue receiving benefits, you must renew your membership before it expires.

6.1.1. Renewal Timeframe

You can typically renew your membership online up to one year before the expiration date.

6.1.2. Renewal Process

The renewal process is generally simpler than the initial application process. You may be able to renew your membership online without having to attend another in-person interview.

6.1.3. Renewal Fee

The renewal fee is typically the same as the initial application fee.

6.2. Updating Your Information

It’s important to keep your information up-to-date in your trusted traveler program account, including your contact information, passport details, and any changes to your name or address.

6.2.1. How to Update Your Information

You can typically update your information online through your trusted traveler program account.

6.2.2. Importance of Keeping Information Current

Keeping your information current ensures that you continue to receive important updates and notifications about your membership and that your KTN remains valid.

6.3. Reporting Lost or Stolen Cards

If your Global Entry, NEXUS, or SENTRI card is lost or stolen, report it immediately to CBP.

6.3.1. How to Report a Lost or Stolen Card

You can report a lost or stolen card online through your trusted traveler program account or by contacting CBP directly.

6.3.2. Replacing a Lost or Stolen Card

You may be required to pay a fee to replace a lost or stolen card.

6.4. Understanding Reasons for Suspension or Revocation

Your trusted traveler program membership can be suspended or revoked for various reasons, including violations of program rules, security concerns, or criminal offenses.

6.4.1. Common Reasons for Suspension or Revocation

Providing false or misleading information on your application.
Violating security regulations at the airport.
Committing certain criminal offenses.
Being subject to an outstanding warrant or criminal investigation.

6.4.2. Appealing a Suspension or Revocation

If your membership is suspended or revoked, you may have the right to appeal the decision.

6.5. Staying Informed About Program Changes

Trusted traveler programs are subject to change, so it’s important to stay informed about any updates to program rules, eligibility requirements, or benefits.

6.5.1. How to Stay Informed

Check the CBP and TSA websites regularly for updates.
Subscribe to email newsletters from CBP and TSA.
Follow CBP and TSA on social media.

7. How TRAVELS.EDU.VN Can Enhance Your Napa Valley Experience

At TRAVELS.EDU.VN, we are committed to providing exceptional travel experiences tailored to your needs. From seamless airport transfers to curated wine tours, we handle every detail so you can relax and enjoy your Napa Valley getaway.

7.1. Stress-Free Airport Transfers

Start your vacation on the right note with our reliable airport transfer services. We ensure you arrive at your Napa Valley accommodations safely and comfortably, without the stress of navigating unfamiliar roads or public transportation.

7.2. Exclusive Wine Tours

Discover the best of Napa Valley with our exclusive wine tours. Our expert guides will take you to renowned wineries, where you can savor exquisite wines and learn about the art of winemaking. We cater to all tastes and preferences, ensuring a memorable experience for every wine enthusiast.

7.3. Luxury Accommodations

We partner with the finest hotels and resorts in Napa Valley to offer you luxurious accommodations that exceed your expectations. Enjoy world-class amenities, impeccable service, and stunning views that will make your stay unforgettable.

7.4. Personalized Itineraries

Let us create a personalized itinerary that perfectly matches your interests and preferences. Whether you’re seeking adventurous outdoor activities, gourmet dining experiences, or relaxing spa treatments, we will design a bespoke itinerary that caters to your every desire.

7.5. Exceptional Customer Service

Our dedicated team is available to assist you with every aspect of your trip, from booking flights and accommodations to arranging transportation and activities. We are committed to providing exceptional customer service and ensuring that your Napa Valley getaway is seamless and stress-free.

8. Call to Action: Start Planning Your Napa Valley Adventure Today

Ready to experience the best of Napa Valley? Contact TRAVELS.EDU.VN today to start planning your unforgettable getaway. Our expert travel consultants are standing by to help you create a customized itinerary that perfectly matches your needs and preferences.

8.1. Contact Information

Address: 123 Main St, Napa, CA 94559, United States
WhatsApp: +1 (707) 257-5400
Website: TRAVELS.EDU.VN

8.2. Special Offers

Book your Napa Valley tour with TRAVELS.EDU.VN and receive a complimentary wine tasting at one of the region’s top wineries. Don’t miss this opportunity to enhance your experience and create lasting memories.

8.3. Let Us Handle the Details

From airport transfers to luxury accommodations, we take care of every detail so you can relax and enjoy your vacation. Contact us today to learn more about our services and start planning your dream Napa Valley adventure.

Napa Valley warmly welcomes you to an unforgettable experience!

9. Conclusion: Your KTN, Your Key to Seamless Travel

In conclusion, a Known Traveler Number (KTN) is an invaluable asset for any frequent traveler. By enrolling in trusted traveler programs like TSA PreCheck®, Global Entry, NEXUS, or SENTRI, you can enjoy expedited security screening, reduced stress, and a more predictable travel experience. Remember to use your KTN correctly when booking flights, keep your membership up-to-date, and troubleshoot any issues that may arise.

With your KTN in hand, you’re ready to embark on your next adventure with confidence and ease. And when you’re planning your Napa Valley getaway, be sure to contact travels.edu.vn to create a truly unforgettable experience. We’ll take care of every detail, so you can focus on making memories that will last a lifetime.

10. Frequently Asked Questions (FAQ) About Known Traveler Numbers

Here are some frequently asked questions about Known Traveler Numbers (KTN) to help you better understand their purpose and usage:

10.1. What is the difference between TSA PreCheck® and Global Entry?

TSA PreCheck® provides expedited security screening at U.S. airports for domestic travel, while Global Entry provides expedited clearance for pre-approved, low-risk travelers upon arrival in the United States and includes TSA PreCheck® benefits.

10.2. How long is a KTN valid?

A KTN is typically valid for five years from the date of approval.

10.3. Can I use my KTN for international flights?

While your KTN primarily provides benefits for domestic flights within the United States, Global Entry members can use their benefits when arriving in the U.S. from international destinations.

10.4. What should I do if I forget to enter my KTN when booking a flight?

You can contact the airline to add your KTN to your booking, or you can add it to your airline profile so that it is automatically included in future bookings.

10.5. Is TSA PreCheck® guaranteed every time I fly?

No, TSA PreCheck® is not guaranteed every time you fly. The TSA uses random screening measures, and even trusted travelers may occasionally be selected for standard screening.

10.6. Can family members use my KTN?

No, a KTN is unique to each individual and cannot be shared with family members or other travelers. Each traveler must have their own KTN to receive TSA PreCheck® benefits.

10.7. What happens if my KTN is suspended or revoked?

If your KTN is suspended or revoked, you will no longer be eligible for TSA PreCheck® benefits and will have to go through standard security screening procedures. You may have the right to appeal the decision.

10.8. How can I check the status of my TSA PreCheck® application?

You can check the status of your TSA PreCheck® application online through the TSA website.

10.9. Do children need a KTN to use the TSA PreCheck® lane?

Children 12 and under can typically use the TSA PreCheck® lane when traveling with a parent or guardian who has TSA PreCheck®. Children 13 and older need their own KTN to use the TSA PreCheck® lane.

10.10. Can I use my Global Entry card as a form of identification at the airport?

Yes, your Global Entry card can be used as a valid form of identification at U.S. airports.