Guys I just transferred some BTC from gemini to gdax but it's been 44 minutes and it didn't even get 1 confirmation. On Blockcypher it shows miner preference medium, confidence level %88.

Why is it so slow? It has never happened to me before.

Also; before I make transfers, is there a way to see how busy btc network is? Based on what can you tell if it is busy or not?