>>Definitely a stupid question -
>>
>>If someone sends a letter on Saturday, either using Fed Ex or Overnight Express Mail through a post office, is it guaranteed for Monday delivery?
>>
>>I looked on both site's FAQ, and couldn't find an answer.
>>
>>Thanks
>
>With FEDX it should be there. If you pay a little extra you can even get Sunday delivery. Now I think next Monday is a holiday so that might change things - but I think FedX will still get it there by then.

Monday IS a holiday, so if Kevin's needs are immediate the USPS is out.