Probably, because you are now associating your internet browsing with your personal information. (I don't know if they have the sophistication to actually do this, but it is very possible.)
At most they could see domains, ip addresses, timestamps, and http-only sites (are there any left?)
But the person sitting next to you can see everything.
Privacy filters are a thing.
they are essentially looking head on at it.
that may work for business class, but not economy.
privacy filters aren't magic.