I think there are a couple of elements to that situation.
Over the course of the pandemic, several towers were being looked at for closure, but subsequently closure did not occur. There were also a number of air traffic controllers who were put on layoff notice, and that did not occur either. Nevertheless, our total number of controllers did diminish over the course of the pandemic.
The recovery, as I mentioned at the outset, has been faster than projected. We are now in a labour shortage. We don't have enough controllers, which is resulting in restrictions and delays.
Over the course of the past summer, I think it's fair to say that those types of issues existed broadly across the industry, so what was attributable specifically to air traffic control may not be as evident. However, given our lengthy training time, I think it's fair to say that much of the rest of the industry is going to recover before we do, and so—