In terms of security and immigration, the Delta Airlines Leonardo da Vinci Airport Terminal ensures efficient processing for international travelers. Passport control for U.S.-bound passengers is handled swiftly, thanks to dedicated lanes and well-trained staff. U.S. citizens and those with biometric passports often benefit from automated e-gates, reducing waiting times during peak travel seasons. For returning travelers, customs and baggage claim facilities are clearly marked, contributing to a smooth transition from air to ground transport.