How do I add TSA PreCheck to Southwest flight already booked

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Effective ways to add TSA precheck to Southwest

While making the reservation with Southwest Airlines, if the passenger needs to add TSA precheck-in at their booking, then it is quite simple. By adding TSA precheck, you immediately complete your check-in by standing in the long queue that you will see at the airport. Your luggage is also prioritized, and to add this facility, Southwest Airlines provides numerous ways and you can pick the medium as per your convenience. If you still have any queries regarding the same, then you can also connect with the customer service representative.

Can I add my TSA PreCheck to an existing reservation?

Yes, you can easily add your TSA PreCheck to a alive reservation. Most airlines allow you to add or update your Known Traveler Number (KTN) online, through their mobile app, or by calling the Southwest Airlines customer service person. If you seek to know how to add your TSA PreCheck to an existing reservation, you must follow the below steps:

  1. Go to the airline's website or open their mobile app.
  2. Locate the "Manage My Trips" or "Reservation Lookup" section.
  3. Enter your reservation confirmation number and last name.
  4. Find your reservation and select "Update Traveler Information" or "Add TSA PreCheck."
  5. Enter your KTN and any other required information, such as your date of birth.
  6. Save your changes.

You can always call the airline's customer service line for assistance if you need help adding your TSA PreCheck online or through the app.

How do I add TSA PreCheck to Southwest after booking?

To add TSA PreCheck at Southwest Airlines, you can use the online medium. It is one of the expeditious ways. For adding TSA, you need to follow the instructions as per described below:

  • Acquire the official web link of Southwest Airlines.
  • On the homepage, you will get the Manage My Booking option at the top. Clock on that option.
  • Fill in the last name of the passenger and booking reservation number in the given sections. Tao on the search option.
  • On the next page, you will have the details of the flight and pick a ticket to which you will add TSA PreCheck.
  • Scroll down and select the TSA Precheck-in option.
  • You need to enter your KTN number in the given box.
  • Once you complete the process, you will get the confirmation message in your email or mobile phone.

You can also use an alternative way to add TSA, which is given below.

Make a call for TSA:

You can use the calling process for adding TSA precheck-in. You need to dial 1 (800) 435-9792, and the agent will aid you regarding your concern.

Why is my TSA PreCheck not showing up on my Southwest boarding pass? 

If you find that TSA PreCheck is not mentioned on your Southwest Airlines boarding pass. In that case, it is essential to review all the information you provided related to baggage, identification proofs, and other details to ensure that everything is correct. Even minor errors can lead to issues at the TSA checkpoint, resulting in delays and inconvenience. If you are still determining the requirements, it is always a good idea to get in touch with the customer service representative of the airlines through which you have the reservation. They will provide you with complete guidance for your issues.

  • Your TSA PreCheck membership has expired. TSA PreCheck memberships are legitimate for five years, so if yours has expired, you will be eligible for PreCheck once you renew it. You can restore your membership online at the TSA website.

  • Your name on your Southwest reservation doesn't match the name on your TSA PreCheck membership exactly. The names must match exactly, including middle names and suffixes. If there is a mismatch, you can contact Southwest customer service to have your name corrected.

  • TSA may not have authorized you for PreCheck on that particular flight. TSA randomly selects passengers for PreCheck, so even if you have a valid membership, you may only sometimes be eligible. If this happens, you can still go through the regular security line.

  • There is a technical issue with the Southwest system. Sometimes, there can be glitches in the system that prevent TSA PreCheck information from showing up on boarding passes. If so, you can contact Southwest customer service for assistance.

How do I add my TSA number after checking in at Southwest? 

If you have added TSA Precheck to your booking, it is crucial to make sure that you're eligible for it. To confirm your eligibility, you will need to receive a Known Traveler Number, which will be sent to your mobile phone. In case you do not receive the KTN, you can check your application online. Additionally, if you have not added your TSA number prior to your flight, you can do so by visiting the help desk at the airport. 

Can I add my Global Entry number after booking Southwest?

To add your Global Entry number after booking, you need to log into your Southwest account, and then you can manually edit the number. You can also connect with the customer service representative to add the Global Entry after booking the flight ticket.

How do I know if I have TSA precheck Southwest?

There are a few ways to know if you have TSA PreCheck with Southwest Airlines, get through it:

  • Check your boarding pass. If you have TSA PreCheck, the "TSA PRE" indicator will be available on your boarding pass.
  • Check your Southwest Rapid Rewards account. If you have TSA PreCheck, your KTN (Known Traveler Number) will be listed in your account profile.
  • Contact Southwest customer service. You can call Southwest customer service at 1-800-426-7732 to ask if you have TSA PreCheck.
  • If you don't have TSA PreCheck, you can apply online at the TSA website. The application process is quick and easy and only takes a few minutes to complete. After approval, you will receive a KTN that you can use when you book flights with Southwest Airlines and other participating airlines.

Where is KTN on the Southwest app?

  • Go to the Southwest Airlines website and enter your Rapid Rewards account.
  • Click on your name in the top right corner of the page.
  • Select "My Account" from the drop-down menu.
  • Scroll down to "Profile information" and click on "Edit."
  • There, you will find your KTN number. 


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