The interview can be scheduled at a designated Enrollment Center, or travelers can opt for the Enrollment on Arrival option if they couldn't secure an appointment before their trip.

Enrollment on Arrival, in which conditionally approved applicants can conduct their enrollment interview with a CBP officer as they enter the U.S. from international locations, is currently available ...

Note: If you are one of those people who gets to the airport way in advance of your flight, in just a few locations, you can also ask for a Global Entry “enrollment on departure” interview and ...

CBP operates a similar program called Enrollment on Arrival that allows conditionally approved applicants to complete their Global Entry interview after landing in the US from an international flight.