How many days first class mail seattle to NYC?

The delivery time for First-Class Mail between Seattle and New York City typically takes 2-3 business days. However, it can vary depending on factors such as weather conditions, the volume of mail being processed, and any unexpected disruptions or delays. For time-sensitive mail, you might consider using a guaranteed delivery service like Priority Mail Express, which usually delivers within 1-2 business days, or overnight delivery options. You can track your mail item online or through the USPS app to get the most up-to-date status and estimated delivery date.