Alpha/ Air Arabia management are greedy liars and there are big delays during the course - this is nothing new.
What's new - there is already excess F/O (around 90) with new students coming every few months. Those F/O who do not have contract till now, will not get it for sure.
If You apply to Alpha now, the only thing You will get, is worthless AA licence and it will take around 3 years judging by recent batches.