Originally Posted by
Braindrain
The answer, as always, is "it depends".
If you're leaving and arriving outside of the US, yes, it's pretty safe.
If either starting point or destination is the US, no, don't do it and take the advice of using UPS or FedEx.
It's like the stock market. If you're going to play, make sure you can afford to lose it.
What a strange comment. It is OUTSIDE the US where you are more likely to have the problem, particularly the third world. I suspect flights inside, for example, Switzerland or Scandanavia would be safest of all, but that is a pretty limited sample of countries.