And to give credit to the original source of the pictures: @arendo_geense on Twitter.
We spent about 3 months watching the Wuze Wall being themed, and they've got twice as much wall on the other side of the sound barrier to theme. Plus there's a few buildings, and even more buildings and structures that haven't even arisen yet. The Hotel, and whatever else will be in the area to build and theme.
As much as like many others I'd love it to be done this year so we can ride it and experience the area but being realistic the chances of 2019 open are very slim in my opinion.
This is supposed to be greater and filled with more detailed theming than Klugheim - they can hardly pull that off in a shorter period of time on a more complex and compact site.
I'd place a good bet on it opening for the start of the 2020 season (presumbly around the 1st April). Even if they could manage to actually complete everything before I'd be surprised if they did a late 2019 (Autumn or Winter) opening. Would it not make more sense to launch it for the summer season and have more time for testing and fine tuning? Maybe not, and that is a possibility but I wouldn't get my hopes up just yet. Just have to wait and see!
Will be interesting to see how things progress in the coming months.
*A 2020 open would also explain the lack of marketing/teasing/updates from the park for the project. The behind the scenes videos in the run up to Klugheim's opening were a great success, and the park already confirmed such insights would come again.
It had been speculated that the trademarking issues were holding them back; but with F.L.Y. being referred to in the Hotel announcement press release it is seemingly not stopping the park from using the name. The Klugheim updates started August 2015, 10 months before opening.