TSA PreCheck is a US Transportation Security Administration programme that gives pre-approved travellers a faster, simpler security screening at participating US airports — no need to remove shoes, belts or light jackets, and laptops and permitted liquids can generally stay in your bag. It's a domestic security scheme only, distinct from (though bundled with) Global Entry, which covers immigration and customs on arrival into the US.
What PreCheck actually changes at security
At a standard US security checkpoint, expect to remove shoes, belts, and jackets, and take laptops and compliant liquids out of your bag for separate screening. In a TSA PreCheck lane, none of that is required — you generally keep shoes and light outerwear on, and electronics and liquids can stay packed. The lanes are also typically shorter, since only enrolled members and specific eligible categories of traveller can use them, and screening tends to move faster as a result.
It's worth being clear about what PreCheck doesn't do: it has no effect on immigration or customs processing (that's what Global Entry covers for international arrivals), it doesn't guarantee a queue-free experience at every airport or every time of day, and very occasionally travellers are randomly selected for standard screening even with PreCheck on their boarding pass.
Eligibility
TSA PreCheck is primarily aimed at US citizens, US nationals and lawful permanent residents, applying directly through the TSA's own enrolment process. It also comes automatically bundled with Global Entry membership, which is the route many non-US citizens use to access PreCheck-equivalent domestic screening benefits, since Global Entry itself is open to citizens of several countries with a reciprocal arrangement with US Customs and Border Protection, not just US citizens.
As with Global Entry, applicants go through a background check, and certain criminal history or past immigration violations can result in a denial.
How to enrol directly for PreCheck
- Apply online through the official TSA PreCheck application, providing personal and travel document details.
- Pay the non-refundable application fee, which covers a multi-year membership if approved.
- Attend a short in-person appointment at an enrolment centre — these are more widely available than Global Entry's enrolment centres and appointments are generally easier to get, since the process is simpler (fingerprints and document verification, no formal interview in the way Global Entry has one).
- Receive a Known Traveler Number (KTN) once approved, which you add to your airline profile or enter when booking so it prints on your boarding pass and routes you to the PreCheck lane.
PreCheck eligibility only appears on your boarding pass if your Known Traveler Number is correctly linked to the booking — a common mistake is enrolling successfully but forgetting to add the number to a frequent-flyer profile or a specific booking, which means no PreCheck lane access on that trip even though membership is active.
TSA PreCheck vs Global Entry: which do you need?
The choice mostly comes down to how you use US airports:
- Only flying domestically within the US, or as a US citizen not travelling internationally to the US often: TSA PreCheck alone covers the main benefit you'd use — faster domestic security.
- Flying internationally to the US regularly: Global Entry is usually the better choice, since it includes PreCheck automatically and adds the faster immigration and customs kiosk process on arrival, for a similar overall cost to PreCheck alone in many cases.
- Non-US citizens without an eligible nationality for Global Entry: may not be able to enrol in either scheme directly, depending on current eligibility rules — check the current list of participating countries.
Because Global Entry includes PreCheck at a broadly comparable price to standalone PreCheck membership in many cases, travellers who fly internationally to the US at all tend to find Global Entry the more efficient choice, reserving standalone PreCheck mainly for those who only fly domestically within the US and have no need for the immigration fast-track.
Other ways to get PreCheck-lane access
A small number of other groups get PreCheck lane access without separately enrolling — some US military personnel, and members of certain other US trusted-traveller programmes, may have automatic or simplified access. Airline status and general frequent-flyer membership do not automatically grant PreCheck; it's a specific TSA-administered benefit, not an airline loyalty perk, even though it's often confused with one.
Renewal
Membership lasts several years before renewal is required — check your specific expiry date, since letting it lapse means reverting to standard screening with no advance warning beyond your own diary. Renewal, like the PreCheck vs Global Entry initial choice, is generally simpler for PreCheck alone than for full Global Entry membership.
Coverage: which airports and airlines
TSA PreCheck lanes are available at the great majority of larger US airports, though not universally at every small regional airport, and not every terminal at every large one operates a dedicated lane at all hours. Most major US airlines participate fully, printing the PreCheck indicator on the boarding pass whenever a valid Known Traveler Number is linked to the booking; a number of major foreign carriers flying into the US also participate for their US-bound passengers. If you're connecting through a smaller airport or flying with a less common carrier, it's worth checking in advance whether PreCheck is actually offered on that specific route, since the absence of a lane means falling back to standard screening regardless of your membership status.
Frequently asked questions
Does TSA PreCheck help with immigration queues on international arrival?
No. PreCheck only affects domestic security screening at US airports. For faster immigration and customs processing on international arrival into the US, you need Global Entry, which includes PreCheck as part of the same membership.
Can I get TSA PreCheck without applying for Global Entry?
Yes, PreCheck has its own standalone application process, generally simpler and with more available enrolment appointments than Global Entry's. It's a sensible choice if you only fly domestically within the US.
Why didn't PreCheck show up on my boarding pass?
Most commonly because your Known Traveler Number wasn't linked to that specific booking or your airline profile. Double-check it's saved correctly before your next trip.
Is TSA PreCheck only for US citizens?
It's primarily aimed at US citizens, nationals and permanent residents applying directly, though non-US citizens from countries eligible for Global Entry can access PreCheck benefits through that programme instead.
Sources and further reading:
- Eligibility, fees and enrolment: US Transportation Security Administration (TSA PreCheck).
- Combined membership details: US Customs and Border Protection (Global Entry).
- Related: Global Entry explained, the UK ETA explained, how to renew a passport in a hurry.