A preclearance area is a specialized section within a foreign airport where U.S. Customs and Border Protection (CBP) officers conduct the same immigration, customs, and agriculture inspections normally performed upon arrival in the United States. By completing these formalities before departure, travelers are treated as domestic passengers when they land, allowing them to bypass long lines, skip baggage re-checks, and head directly to their next gate or the exit. This system is currently available at 15 locations worldwide, including major hubs in Canada, Ireland (Dublin and Shannon), the Caribbean (Nassau and Aruba), and Abu Dhabi. For airlines, this facility is highly beneficial as it allows them to fly into U.S. airports that lack international customs facilities, such as New York’s LaGuardia or Washington’s Reagan National. Passengers should note that because the preclearance process occurs before boarding, they often need to arrive at the airport earlier than for a standard international flight to account for the extra security and interview time required by CBP officials.