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ONT Security Wait Times LA Ontario Airport

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LA Ontario Airport Security Wait Times Guide

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ONT Security Wait Times Topics:

When flying out of Ontario (CA) Airport, checking TSA security wait times is key to a smooth experience. Knowing what to expect can help you plan your arrival and avoid unnecessary stress. This guide provides essential tips on navigating security efficiently, including the benefits of programs like CLEAR Plus and TSA PreCheck.

For further details on ONT Airport, including maps, arrivals and departures, and more, visit the iFly airport information page.

Travel Easy with CLEAR+ – Get 2 Months Free at Ontario Airport!

Traveling through Ontario (ONT) Airport is a breeze with CLEAR+. Enjoy faster security clearance and reduced wait times with CLEAR+ lanes available at 2 security checkpoints (Terminal 2 and Terminal 4).

CLEAR+ members can also access local venues like BMO Stadium and SoFi Stadium. At BMO Stadium, use the Northeast and Northwest Gates for Los Angeles FC and Angel City FC events. At SoFi Stadium, the South Entrance, Entry 9, provides CLEAR+access for Chargers and Rams games, concerts, and more.

Sign up today for a 2 Months Free trial of CLEAR+ and enjoy hassle-free travel and event access. Get Started.

REAL ID at LA Ontario Airport (Effective May 7, 2025)

Starting May 7, 2025, all travelers 18 and older must present a REAL ID‑compliant license or another TSA‑accepted ID at LA Ontario Airport (ONT).

More info on REAL ID requirements »

iFly Tip: Find out how to make the most of your parking experience by visiting our Airport Parking page.

ONT Flight Delays

Before setting off on your trip from Ontario Airport, we highly advise you to check for any potential departure delays. Also, our user-friendly flight tracker is available for your use, enabling you to monitor your flight status in real-time.

Security Checkpoints - Location & Hours

Find all security checkpoints with their locations and operating hours below. For the most accurate and updated information, please refer to the official sources.

Checkpoint 1

  • Type: CLEAR+ and TSA PreCheck
  • Hours: Sunday through Friday, 4:00 AM to 6:00 PM; Saturday, 4:00 AM to 5:00 PM

Checkpoint 2

  • Type: CLEAR+ and TSA PreCheck
  • Hours: Sunday through Friday, 4:00 AM to 6:00 PM; Saturday, 4:00 AM to 5:00 PM

Checkpoint 3

  • Type: CLEAR+ and TSA PreCheck
  • Hours: Sunday through Friday, 4:00 AM to 6:00 PM; Saturday, 4:00 AM to 5:00 PM

Checkpoint 4

  • Type: CLEAR+ and TSA PreCheck
  • Hours: Sunday through Friday, 4:00 AM to 6:00 PM; Saturday, 4:00 AM to 5:00 PM

See information below for CLEAR+ and TSA PreCheck (via CLEAR) enrollment hours and locations.

All data is subject to change by the Airport, TSA, CLEAR, or other authorities.

TSA PreCheck at ONT

The TSA PreCheck is a program designed to expedite security screening for travelers at participating airports, including LA Ontario Airport (ONT). Members of PreCheck can enjoy benefits such as not needing to remove their shoes, light outerwear, and belts, and can keep their laptops and 3-1-1 compliant liquids in their carry-on bags during security checks.

Where to Use TSA PreCheck at ONT:

  • TSA PreCheck is available at Terminals 2 and 4 within ONT.
  • The service is designed for select frequent flyers of participating airlines and members of U.S. Customs and Border Protection (CBP) Trusted Traveler programs.

Learn More About TSA PreCheck:

Participating Airlines at ONT:

  • AeroMexico
  • American Airlines
  • China Airlines
  • Southwest Airlines
  • Volaris

iFly Tip: Find out how to accompany someone to the gate with advice from our gate pass information page.

CLEAR+ & TSA PreCheck Enrollment

CLEAR+ and TSA PreCheck streamline your security process at ONT Airport using biometric authentication and advanced technology. You can enroll in CLEAR+ and/or TSA PreCheck at designated CLEAR+ enrollment locations. Start your enrollment online and bring your U.S. Passport or another acceptable ID to complete the final steps in person. Enroll in TSA PreCheck. You can opt for TSA PreCheck alone or bundle it with CLEAR+ at a discount.

CLEAR+ Lane Locations:
  • Terminal 2: 4:00am - 5:30pm
  • Terminal 4: 4:00am - 7:00pm
Enrollment Locations:
  • Terminal 2:
    • CLEAR+ Enrollment: 4:00am - 5:30pm
    • TSA PreCheck® Enrollment: 6:00am - 5:00pm
    • Located on ground floor main entrance across from Alaska Airlines ticketing counter
  • Terminal 4:
    • CLEAR+ Enrollment: 4:00am - 7:00pm
    • TSA PreCheck® Enrollment: 6:00am - 7:00pm
    • Located on ground floor main entrance across from Southwest Airlines ticketing counter

For more details about the CLEAR+program, including additional locations and participating airports, visit the CLEAR+Airport Security Guide.

How to Check ONT Airport Security Wait Times

Follow these three simple steps to check security wait times on this page:

Step 1: Find the Checkpoint Times section. Scroll to the bottom of the page or click the “Check Wait Times” button in the ONT Average Checkpoint Times widget.

Step 2: Choose your arrival time. Use the dropdown menu to select when you plan to reach security.

Step 3: View estimated wait times. The site will display the average wait time for your selected period.

Tips for Using Wait Times

  • Wait times are estimates: Actual conditions may vary due to crowd levels and security delays.
  • Arrive early during peak hours: Security lines are often longer in the mornings and around holidays.
  • Check the official airport site: Some airports provide real-time security wait times for each checkpoint. Visit ONT Airport’s official website and search for "security wait times" to see if this feature is available.

Lost Items at TSA Checkpoints

If you've lost an item at a TSA checkpoint or in checked baggage at LA Ontario Airport (ONT), you should promptly contact the airport's Lost and Found. For detailed information and to report your lost item, you can reach the TSA Lost Items Contact at +1-909-544-5128. Be prepared to provide a comprehensive description of your item, including color and any unique features, to aid in its identification and recovery.

About ONT Security Wait Times

The security wait times shown for LA Ontario Airport are computed using a comprehensive examination of historical flight records and TSA staffing timetables. Utilizing sophisticated data evaluation techniques, various 3rd party services, and publicly available data sets to offer fairly precise estimates of wait times at ONT. However, these estimates may vary due to unforeseen incidents. The TSA advises passengers to get to the airport well before their planned flight departure time.

We strive to assist you in your travel preparations by delivering reliable estimates of security checkpoint wait times. We also recommend contacting your airline for information on ticket counter wait times and any potential changes to your flight schedule. These factors should be taken into account when deciding when to arrive at ONT. Keep in mind, each airline has its own suggested and mandatory arrival times.

iFly Tip: Understand the importance of crew coordination in the cockpit by visiting our cockpit operations page.

About this Page: Please note that while we strive to keep the content on this page current and accurate, we cannot guarantee it due to the ever-changing nature of airports and airlines; for more details about our data and practices, refer to our Trust & Transparency statement. To report any data issues, use our feedback form.

TSA Pre Check at ONT

AVAILABLE

Terminal 2

Terminal 2 Checkpoint
CLOSED

Terminal 4

Terminal 4 Checkpoint
CLOSED

Tips, Help & Resources

iFly.com can help you get to, through, and between airports around the world. Here are some things you may need to know that can assist you during your journey specific to ONT:

LA Ontario Airport wait times Q&A

Use the check wait times widget. Follow the three steps on the page to select your arrival time and view the estimated wait period.
Wait times change with flight schedules and staffing. They may rise during morning hours and holidays. Check the widget for current estimates.
Estimates use historical records and TSA staffing information. They give you a close idea of what to expect but can vary with delays.
You can use TSA PreCheck or CLEAR+. TSA PreCheck lets you leave on shoes and belts. CLEAR+ offers faster clearance at two terminals.
TSA PreCheck lets you leave on shoes, jackets, and belts and keeps laptops and liquids in your bag. It is available at terminals 2 and 4.
CLEAR+ lanes operate at two checkpoints in Terminals 2 and 4. They shorten your wait and help you move through security faster.
Terminal 2 offers CLEAR+ enrollment from 4:00am to 5:30pm. Terminal 4 provides it from 4:00am to 7:00pm.
Register online and visit the enrollment location. At Terminal 2, the TSA PreCheck desk is on the ground floor near the Alaska Airlines counter. Terminal 4 uses the Southwest Airlines counter.
Arrive early during busy periods such as mornings and holidays. Check the widget to match your arrival time with estimated wait times.
Contact the TSA Lost Items service right away at +1-909-544-5128. Provide a detailed description to assist with recovery.