Instead of using "going to hell", I'll change that phrase to "Am I still a Christian", for the meaning is practically synonymous.
One does not cease to be Christian nor proven to be a fake/non-Christian, if one does not attend church regularly. However, not going to church weekly does reveal one's attitude towards worship, fellowship, how one judges other fellow believers, biblical doctrines, etc., all of which do actually affect one's identity as a Christian.