How long does it take for a letter to get from Boise to Phoenix?

The time it takes for a letter to travel from Boise to Phoenix generally depends on the mailing method used. For standard First-Class Mail, it typically takes about 3 to 5 business days. If you choose expedited options like Priority Mail, it can arrive in 1 to 3 days. Factors such as holidays, weather, and postal service efficiency can also affect delivery time.