How come Voldemort could fly and Dumbledore couldn't?

Just because Voldemort and Dumbledore were the most powerful wizards leading up to the time of the Second Wizarding War, didn't mean that they had exactly the same skill set. Voldemort knew how to make a Horcrux, whereas Dumbledore devoted his time to destroying these eldritch artifacts. read more

” There’s no answer to that question in the actual Harry Potter series, but they tackle the issue in Harry Potter and the Methods of Rationality - one of the most popular fan-fictions of the Harry Potter series. The answer is that people are stupid. read more

It seems likely, therefore, that the spell must be a new one, dating to some time during the series. We know from HBP that Snape was an inventor of spells, he must have figured out a way to do it. Voldemort likely imitated him. It could have been the reverse (Snape learning from Voldemort), but likely one learned from the other. read more