plain sailing
clear sailing
easy going

I thought all would be clear sailing, because it was successful.

And that was on a bright morning with clear sailing most of the way.

Tomorrow would see a return of good weather and clear sailing.

They got back on course through the channel and then it was clear sailing for a while.

Other than that, it was clear sailing all the way.

After that it was clear sailing for quite a while.

Now that they were on the water, it seemed to be clear sailing.

For one solid day at least he had clear sailing.

And for the economy the last few years have not been clear sailing by any means.

"But once we got to the half, I knew it was clear sailing from then on."