Northwest Arkansas Regional Airport, as all airports in the United States, has an obligatory border control and everyone who arrives in the U.S. has to complete this procedure. The Customs and Border Protection officers check all passengers who arrive at Northwest Arkansas Regional Airport.
All travelers must have a passport which must be valid for six months beyond intended staying. The passport must be machine-readable as well. Also, infants should have machine-readable passports too.
Once travelers arrive at the XNA airport, they should go to the inspection area, they should choose the appropriate line, whether they are U.S. citizens or not. As soon as the CBP officer checks the documents, a special scanner will check their passport. Afterward, they will be allowed to pick their baggage at the baggage carousel, and if it's needed, luggage will be inspected by a CBP officer as well.