To the above 2 comments, although I agree the working is bad (at best), to be fair to the airline, all published schedules are not guaranteed nor do they form part of the CoC - I am just of the opinion they shouldnt be so blase about it!
For EU regs, EU261/2004 only kicks in if the change is made within 14 days of the departure, although someone more knowledgeable on this subject can confirm or refute that.