I think it is about 5 days on average.
Edit: in case you are worried you will miss "cheap" coins, I dont think you have to, because there is still a big possibility that we will see even "cheaper" coins.
International as in sending from the US to Slovenia? I send in the morning from the US, money is in my Bitstamp account and verified when I wake up the next day.
really ? Interesting, I thought only SEPA is that fast, beside they say 5 days in their website... I am really impressed.
I sent a few thousand Euro from the UK to someone in Belgium and it arrived pretty much instantly. I believe it took minutes, not even hours to complete.