I think this block will be a little longer because the last ones where so short.
How often are payments made?
The steps:
1) We find a block (everyone dance)
2) The block mature at 101 ( you can see on kano.is the progress)
3) Kano create a transaction of payouts to everyone and attach a small fee. He send the transaction to the network.
4) If someone confirm the transaction with the small fee then it will be in your wallet, if not (usually not), then with the next block Kanopool find we confirm the transactions that was sent to the network and everyone has more BTC in their wallets.
Note- It happens that there can be 2 or more transactions waiting to be confirmed and confirmed with our next block found.