How long does first class mail take from island to rochester new york?

The delivery time for First-Class Mail from an island (assuming you mean an island in the United States) to Rochester, New York depends on the specific island and the time of year. Generally, First-Class Mail takes 2-5 business days to be delivered within the United States, and most mail is delivered within 3 business days. However, there may be variations due to factors such as the distance between the island and Rochester, the volume of mail being processed, and potential weather or transportation delays.