usps flat rate shipping time

usps flat rate shipping time is typically 1–3 business days, depending on the destination. Flat Rate shipping is part of USPS Priority Mail and allows customers to ship items at a fixed cost regardless of weight or distance, as long as they fit in USPS-supplied boxes. It includes tracking and insurance up to $100. Flat Rate is ideal for heavy items shipped long distances. The predictable cost structure simplifies budgeting and reduces guesswork in postage. Businesses often use it to streamline operations and offer transparent shipping fees to customers.