Delivery speed depends on distance, traffic, time of day, and service type. Express options usually arrive faster but cost more. One of the key ways to ensure timely delivery in busy urban areas is choosing a local courier service in Chicago. Local couriers often have better knowledge of city routes and can avoid delays that national providers may face. Weather and volume of shipments can also affect timing. Communicating clearly with the courier about deadlines helps. Ultimately, reliable and experienced local providers are often your best bet for fast, efficient delivery across the city.