What data do you have to support this? They certainly don't think that within United, here is a snip from the CEO letter to employees, posted above:

"Importantly, though, we don't expect customer demand to change much between now and the end of the first quarter of 2021. United has been realistic about our outlook throughout the crisis, and we've tried to give you an honest assessment every step of the way. The truth is, we just don't see anything in the data that shows a huge difference in bookings over the next few months. That is why we expect the recall will be temporary"