U.S. International Air Passenger and Freight data is confidential for a period of 6 months, after which it can be released. As a result, quarterly reports and the year to date/calenday year raw data files available here will always lag by two quarters.
How long does mail take to arrive? on average 3-4 days It also depends on the distance it has to travel. Mailing a letter, using the basic postage stamp, from one town to a town only 20 miles away, can be deliv â¦ ered next day.ow long does mail take to arrive? on average 3-4 days It also depends on the distance it has to travel. Mailing a letter, using the basic postage stamp, from one town to a town only 20 miles away, can be deliv â¦ ered next day.
When mailing a certified letter, a person should expect it to take from three to five days to reach its destination. Depending on how long it takes the recipient to pick up the letter, the process can take up to 21 days. People who send certified mail receive a notification to prove that the letter has been received by its recipient.