Originally Posted by Often1

It is wholly irrelevant whether the circumstances of the delay are within the carrier's control. The question is whether this is an "extraordinary circumstance." It definitionally is. That is because the air space issue is the result of a government action.

But that is a red herring as to "duty of care" and that is why I was careful only to point to the issue. By its terms, the carrier has a duty of care in all circumstances and that would include at least hotel and meals appropriate to the length of the delay and time of day.