Whether they are a good organization or not, I can't really tell you... but definitely not all people who belong to the ACLU are anti-Christian, and definitely they have done some good, mixed in there with some less good things... just like anyone. We do good things and bad things, and hopefully the good wins out.
According to the United States Postal Service, priority mail takes 1 to 3 days to arrive at its destination. The length of time varies due to the distance based on the shipping point and the receiving point.
Within the 48 contiguous states, First Class is up to four days normally. Priority mail is usually two days but can be one or three. A very few will take longer. Surface parcels or Media Mail can be two to eight or so days dependent on distance. Destination matters. Local is faster. Mail to another country is much longer and cannot be planned.