Will a first class letter mailed from ann arbor mi on thursday reach portland or on monday?

A first-class letter mailed from Ann Arbor, MI, on Thursday is likely to reach Portland, OR, by Monday, as first-class mail typically takes 1 to 3 business days for delivery. However, factors such as distance, postal service efficiency, and potential delays can affect the delivery time. While Monday is the most probable delivery day, there is a slight chance it could arrive on Tuesday.