Pls checkout my other content related to Ether network slowness.

https://steemit.com/bittrex/@karmaplayer/bittrex-stops-creating-new-ethereum-deposit-addresses-due-to-network-congestion-023400daa0fe6

Always make sure to use the correct address and use appropriate Gwei in case you are trading on decentralized exchanges like EtherDelta. Use the below link for Eth gas reference.

https://ethgasstation.info/