Looking on the internet deeply has found these results:

Sorry for the Inconvenience caused is the most popular phrase on the web.

Sorry for the inconveniences caused 1143,000 results on the web	Sorry for the Inconvenience caused 1441,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Well, sorry for the inconvenience, gentlemen. We are sorry for the inconvenience. I'm sorry for the inconvenience, ma'am. Sorry for the inconvenience, but I think that is important. Sorry for the inconvenience, but today is a bad day. Sorry for the inconvenience, folks. However, in the present situation, it is essential to introduce measures which will allow land and maritime transport to compensate us better for the inconvenience caused by the paralysis of air transport.	I understand, sorry for the inconvenience. Sorry for the inconvenience, but I think that is important. We apologize for the inconvenience caused. All right, sorry for the inconvenience. We are sorry for the inconvenience. I'm sorry for the inconvenience. Well, sorry for the inconvenience, gentlemen. Sorry for the inconvenience, but today is a bad day.

Sorry for the inconveniences caused

1143,000 results on the web

Sorry for the Inconvenience caused

1441,000 results on the web

More popular!

Well, sorry for the inconvenience, gentlemen.
We are sorry for the inconvenience.
I'm sorry for the inconvenience, ma'am.
Sorry for the inconvenience, but I think that is important.
Sorry for the inconvenience, but today is a bad day.
Sorry for the inconvenience, folks.
However, in the present situation, it is essential to introduce measures which will allow land and maritime transport to compensate us better for the inconvenience caused by the paralysis of air transport.