What is Contact Tracing? 

Contact tracing is a process already being used in many countries and communities around the world to identify and alert those who have come into close contact with the COVID-19 virus to help reduce exposure and transmission. This is mandatory for all travelers entering the U.S., including U.S. citizens and residents. 

You will be asked to provide your address while in the U.S. and a phone number. This information, in addition to contact information you provided during ticket purchase or at check-in, will be shared with the CDC via U.S. Customs and Border Protection (CBP).*

If there is a suspected case identified on board after your flight, the CDC will work directly with local health departments to contact you and provide follow-up instructions for testing and/or potential quarantine. 

Follow-up of travelers is at the discretion of health departments and may be considered by jurisdictions implementing safety measures.

*Please refer to Delta’s Privacy Policy for details. For more information, go to www.CDC.gov, opens in a new window, or www.CBP.gov, opens in a new window, or see CBP’s Privacy Impact Assessment for the Advance Passenger Information System, opens in a new window


Who Must Participate?

Delta and our global partners are working diligently with our respective government agencies, health officials and aviation authorities to offer safer travel at every point in your journey.

Contact tracing is required for everyone traveling to the U.S. as their final destination or connecting through, including U.S. citizens and residents.

For other international travel, you and those in your itinerary can voluntarily participate if you are traveling on a Delta operated flight or flying on a global partner airline ticket with a Delta operated segment.


Frequently Asked Questions

The CDC requires that contact tracing information is submitted for anyone entering or connecting through the U.S. We recommend before traveling that you check with your local origin and destination governments to ensure you have the latest information.

When you participate in contact tracing, the CDC will work with local health departments to alert you to help reduce further exposure.  

Follow-up of travelers may include: 

  • Contacting travelers 
  • Providing instructions for what travelers should do if they develop illness compatible with COVID-19 
  • Possible intermittent check-in during the two weeks after arrival 

To support contact tracing, Delta is asking passengers to provide their destination address while in the U.S. and a phone number. This information, in addition to contact information you provided during ticket purchase or at check-in, will be shared with the Centers for Disease Control (CDC) via U.S. Customs and Border Protection (CBP) utilizing established channels for the Advance Passenger Information System (APIS). We will retain this information in our systems for no longer than is necessary to achieve the contact tracing objectives, or as required by CBP.


Please refer to Delta’s Privacy Policy for details. For more information, go to CBP.gov, opens in a new window or CDC.gov, opens in a new window, or see CBP’s Privacy Impact Assessment for the Advance Passenger Information System., opens in a new window