is first class mail or priority mail faster is a common question for those comparing USPS services. Priority Mail is typically faster than First-Class Mail, with delivery times ranging from 1 to 3 business days, depending on the destination. In contrast, First-Class Mail usually takes 1 to 5 business days. Priority Mail also offers additional benefits, such as free tracking and insurance coverage up to $50, whereas First-Class Mail has more limited tracking options and does not include insurance. Priority Mail is the best choice for time-sensitive shipments, while First-Class Mail is ideal for lightweight items that do not require expedited delivery.