Bad timing for converting ETH/BTC while both networks are congested.
Just curious,
Did you send ETH from Blockchain wallet to another exchange, and are waiting for that exchange to send BTC to your blockchain wallet?
no. in blockchain info, there is eth to btc and btc to eth exchange .only between blockchain.info wallets. i used it. i did'nt use another exchange.
and still i am waiting....

Ahha but blockchain.info use an external exchange (Shapeshift) for converting, so its going to take a while in these congested times.