Final answer:
Priority Mail generally takes 1 to 3 days for most domestic destinations. This is an estimate and not a guarantee, as delivery time can vary based on several factors.
Step-by-step explanation:
Priority Mail is a shipping service offered by the United States Postal Service (USPS) that provides delivery for domestic destinations.
While the delivery time is not guaranteed, Priority Mail typically takes 1 to 3 days for most destinations within the United States. This can vary depending on the origin and destination zip codes, as well as USPS workload and unforeseen circumstances such as severe weather or operational delays.
It is important for students to understand that this time frame is an estimate and not a guarantee, and they should plan their shipping accordingly to ensure their mail arrives on time.