You can see the real-time unconfirmed transactions by visiting any site such as Unconfirmed Transactions | Blockchain.info and calculate average time for your transaction to get confirmed.

There are some real-time sites where you can confirm the amount of fee required to get a faster transaction confirmation thus you can calculate the average time required for the confirmation of your transaction.

See this:

* https://bitcoinfees.earn.com/#fees.

* https://bitcoinfees.info/.