Duluth has a well-developed transport infrastructure, including the Duluth International Airport (DLH), which handles domestic and some international flights. The city also has access to railroads and the Port of Duluth, one of the largest inland ports in the United States. Major courier services such as FedEx, UPS, and USPS operate in Duluth, providing reliable shipping options. Delivery times for international parcels typically range from 5 to 10 business days. It's important to be aware of local customs regulations, especially for restricted items.