ONT Security Wait Times LA Ontario Airport

CLEAR Plus & TSA PreCheck Enrollment

CLEAR Plus and TSA PreCheck streamline your security process at ONT Airport using biometric authentication and advanced technology. You can enroll in CLEAR Plus 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 Plus at a discount.

• Terminal 2: 4:00am - 5:30pm
• Terminal 4: 4:00am - 7:00pm

• Terminal 2:
  • CLEAR Plus 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 Plus 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.

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.