Z is still on CN in the afternoons. They just moved the time.
In many ways, DB is better than Z. Z just degrades into fight fight fight...DB has an equal mix of action, adventure, and humor, plus there is no one or two spoecific character that carries everyone else.
...also, the fact that we don't get many new eps of Z too often is a very good move on Funi's part. DBZ is a limited series, in that once it's done there will never be more of it. Sure there's still DB and GT, but those will never acumulate the same fanbase in the US as Z did. And now Z is just about over...Funi's biggest cash cow is almost out of milk. That beiung said, it makes perfect sense that Funi will try it's best to stretch out the remaining eps to last as long as possible.
...this could also be why we havent' seen more of the movies by now...so that Funi will still have something Z to use after teh series ends.