Whats the longest wait you've had for a transfer to go through. I used shapeshift late last night and it still hasn't come through. I just did another one and it went right through.
Mine was more than 24 hours. But it went eventually through.
It also looks like many of us will be waiting longer if unconfirmed transactions do not go down, look here
https://blockchain.info/charts/mempool-countSomeone is flooding the mempool again or we are witnessing abnormally high transactions, maybe because of Bitcoin's rally.