Atlanta Hartsfield-Jackson Airport Security: What You Need to Know Before You Fly

Flying through Hartsfield-Jackson Atlanta International Airport (ATL) can feel intense, especially if you are not used to its size and pace. With the right planning, though, airport security at Atlanta Hartsfield can be predictable and manageable.

This guide focuses on how security works specifically at ATL, what to expect at each checkpoint, the best times and places to go through screening, and how Atlanta residents and visitors can make the process smoother.

How Security Works at Atlanta Hartsfield-Jackson (ATL)

ATL is divided into:

  • Domestic Terminal North (Delta and some partners)
  • Domestic Terminal South (other domestic airlines)
  • International Terminal / Maynard H. Jackson Jr. International Terminal (Concourse F)

All three have TSA security checkpoints. Once you clear security at any of them, you can reach all concourses (T, A–F) via the Plane Train or walkways.

Key idea:
You do not pass through security separately at each concourse. You clear security once, then move freely between concourses inside the secure area.

Main TSA Checkpoints at ATL

1. Main Security Checkpoint (Domestic Terminal)

Located between North and South Domestic Terminals, this is the largest and busiest checkpoint.

  • Serves: Most domestic passengers
  • Access: From the main atrium after check-in/bag drop
  • Good for: Travelers already checked in and dropped bags at either North or South

There are usually separate lines for:

  • Standard screening
  • TSA PreCheck
  • CLEAR (if available and active) with TSA PreCheck or standard

2. North Security Checkpoint

Located in Domestic Terminal North, often used by Delta travelers and some partner airlines.

  • Serves: Primarily passengers checking in or dropping bags on the North side
  • Can sometimes be less crowded than the main checkpoint, though this varies by time of day
  • Includes TSA PreCheck access during typical operating hours

3. South Security Checkpoint

Located in Domestic Terminal South, used by airlines other than Delta.

  • Serves: Passengers checking in on the South side
  • Includes standard screening and typically TSA PreCheck lines
  • Good if your airline’s check-in counters are right there and you want to stay on that side

4. International Terminal Security (Concourse F)

The International Terminal has its own security checkpoint.

  • Address:
    Maynard H. Jackson Jr. International Terminal
    2600 Maynard H. Jackson Jr. Blvd
    Atlanta, GA 30354
  • Good for:
    • International departures leaving from Concourse F
    • Some international flights departing from Concourse E (you can walk or train from F)

If you live in the Atlanta area and someone is dropping you off on the east side of the airport (via the International Terminal access road), it can be more convenient to use this checkpoint, even if you’re connecting to a domestic flight later.

Best Times to Go Through Security at ATL

Security wait times can change quickly, but travelers commonly notice these patterns:

  • Early morning (5:00–8:00 a.m.): One of the busiest periods, especially Monday mornings and peak travel days.
  • Late morning to early afternoon: Often moderate, but still busy for business and connecting flights.
  • Late afternoon (3:00–6:30 p.m.): Another heavy period with business and commuter traffic.
  • Late evening flights: Sometimes lighter but can still spike depending on the day and airline schedules.

For most Atlanta-based travelers:

  • Aim to arrive at the airport 2 hours before domestic flights
  • Aim to arrive 3 hours before international flights

If you know you’re flying at a peak time (Monday morning, Friday afternoon, holiday weekends), building in extra time is wise.

Standard TSA Screening: What to Expect at ATL

If you’re using standard security (no PreCheck), expect:

  • ID and boarding pass check at the entry to the checkpoint
  • Shoes off (unless exempt), belts and jackets off
  • Laptops and larger electronics out of bags in many lanes
  • Liquids limited to containers of 3.4 ounces (100 ml) or less in a single quart-size bag
  • You may use bin stations before the X-ray machine to organize items

After your belongings go through the X-ray belt, you will usually go through:

  • A body scanner (advanced imaging) or metal detector
  • Random additional screening is sometimes requested; it’s standard and not personal

ATL security is generally efficient but firm. Being prepared before you reach the bins helps keep lines moving.

TSA PreCheck and CLEAR at Atlanta Hartsfield

TSA PreCheck at ATL

TSA PreCheck is widely used in Atlanta, especially by frequent business travelers and residents who fly often.

With TSA PreCheck at ATL, you typically:

  • Use dedicated PreCheck lanes
  • Keep shoes, belt, and light jacket on
  • Keep laptop and approved liquids in your bag
  • Go through a metal detector rather than the full body scanner in most cases

Not every security lane is PreCheck-enabled at all times, but at ATL you can usually find PreCheck access at:

  • Main Domestic Checkpoint (Atrium)
  • North and South Domestic Checkpoints
  • International Terminal (F)

If you fly regularly from Atlanta, many local travelers find that PreCheck significantly reduces stress and wait times, especially during morning rush hours.

Going Through Security with Kids, Seniors, or Special Needs

Traveling with family or someone who needs extra assistance? Security at ATL follows general TSA practices, but there are a few Atlanta-specific tips that help:

  • Family Lanes: At busy times, staff will often direct families with strollers or young children to designated or more spacious lanes.
  • Strollers & Car Seats: These usually must go through the X-ray machine. Be ready to fold them.
  • Liquids for infants (formula, breast milk, juice): Allowed in reasonable quantities, even above 3.4 oz, but must be declared and screened separately.
  • Mobility devices and wheelchairs: There is accessible access at all checkpoints. Request assistance from your airline at check-in if someone in your party needs an escort through security.
  • Medical devices: Have any necessary documentation ready and let the officer know before screening.

For Atlanta-based families who fly a few times a year, it often helps to arrive early and allow kids a moment to adjust to the busy environment before joining the line.

Using the International Terminal vs. Domestic Terminals for Security

Atlanta travelers sometimes choose where to clear security based on parking and drop-off convenience.

When to Consider the International Terminal (F) for Security

You might find it more convenient to use the International Terminal checkpoint if:

  • You are departing on an international flight from Concourse F
  • You are being dropped off from the east/southeast side of Atlanta (e.g., from I-285 on the south or from I-75 south of I-285)
  • You prefer using the International Terminal parking deck

Once you clear security at F, you can reach all other concourses via the train or walkway. However, if your flight departs from a domestic concourse (T, A–D), many travelers still prefer the Domestic Terminal because:

  • It’s closer to certain parking lots and MARTA
  • It can be more intuitive for domestic-only trips

Parking, Ground Transportation, and Getting to Security

MARTA (Public Transit) and ATL Security

The MARTA station is located at the Domestic Terminal, beneath the main atrium.

  • If you take MARTA from within Atlanta (Midtown, Downtown, Buckhead, etc.), you’ll emerge inside the Domestic Terminal and walk directly toward check-in and the main security checkpoint.
  • From the MARTA station, follow signs for “Security” or “Main Checkpoint”.

If your international flight departs from Concourse F and you still want to use the International Terminal security:

  • You can take a shuttle from the Domestic Terminal to the International Terminal outside the secure area.
  • This adds time, so plan accordingly.

Driving and Parking

If you’re driving from Atlanta neighborhoods:

  • Downtown/Midtown/Buckhead: Most people access the Domestic Terminal via I-85 South. From there, it’s a straightforward path to the main North or South check-in and security areas.
  • Southside / Clayton / Fayette / Henry Counties: Depending on your route, it may be more convenient to enter via the International Terminal side and use its checkpoint.

ATL offers:

  • Domestic Parking (North and South decks, Economy, Park-Ride)
  • International Terminal Parking deck

Your parking choice can determine which security checkpoint makes the most sense.

Security for Returning International Travelers to Atlanta

If you arrive in Atlanta from another country, the process is different from departure security.

You will:

  1. Deplane at Concourse E or F
  2. Go through U.S. Customs and Border Protection (CBP) inspection
  3. Collect checked baggage
  4. Recheck bags if you have a connecting flight
  5. Go through TSA security again before re-entering the domestic concourses

Many return flights use Concourse F, where the International Terminal handles both arrival and departure processing. Signs will guide you to customs, baggage claim, and connecting flights.

Security-Friendly Packing Tips Specific to ATL

Because ATL is busy and lines can move fast, being organized really helps.

Before you leave home in Atlanta:

  • Place keys, coins, and small electronics in a dedicated pouch or side pocket
  • Pack liquids in a clear, quart-size bag near the top of your carry-on
  • Wear easy-to-remove shoes if you’re not using PreCheck
  • Keep photo ID (driver’s license, passport) ready but secure

At the checkpoint:

  • Use the pre-bin tables to empty your pockets and organize items before reaching the X-ray belt
  • If you have a laptop, be ready to remove it unless you’re in a PreCheck lane
  • Listen for instructions from TSA officers, as they may adjust the process depending on traffic

Quick Reference: Security Checkpoints at ATL

Checkpoint LocationBest ForTypical Features
Main Domestic CheckpointMost domestic travelers, MARTA usersStandard, TSA PreCheck, high capacity
North CheckpointDelta flyers, North Terminal check-inStandard, TSA PreCheck (hours vary)
South CheckpointNon-Delta domestic flights, South check-inStandard, TSA PreCheck (hours vary)
International (F) CheckpointInternational departures, east-side accessStandard, TSA PreCheck, access to all gates

Helpful Contact and Location Details

These official contacts are useful for security-related questions at ATL:

  • Hartsfield-Jackson Atlanta International Airport (General Info)
    Phone: (800) 897-1910 (commonly used airport information line)
    Address:
    6000 N Terminal Pkwy
    Atlanta, GA 30320

  • Maynard H. Jackson Jr. International Terminal
    Address:
    2600 Maynard H. Jackson Jr. Blvd
    Atlanta, GA 30354

For security-specific questions (screening rules, prohibited items, disability accommodations), travelers typically contact TSA through their national channels or speak with a supervisor at the checkpoint.

Local Tips from an Atlanta Perspective

For people who live in or frequently visit Atlanta, these habits tend to make ATL security easier:

  • Build in buffer time when there’s rain or thunderstorms in the forecast—Atlanta weather can quickly impact traffic and airport crowds.
  • Know your terminal before you leave home. Check whether your airline operates from North, South, or the International Terminal to pick the most logical entrance and checkpoint.
  • Consider TSA PreCheck if you fly out of ATL several times a year; the savings in time and stress are often most noticeable at large hubs like Atlanta.
  • ✅ If someone is dropping you off from the east/south side, ask whether the International Terminal is a better entry point, especially for international flights.

By understanding how Atlanta Hartsfield-Jackson airport security is laid out and what to expect at each checkpoint, you can choose the best entry, arrive at a smart time, and move through screening with much less stress—whether you call Atlanta home or are just passing through.