Just an observation, but the busiest days so far seems to have been (with corresponding % of 2019 numbers):
June 20: 77%
June 18: 75%
June 13: 79%
It will be interesting to see July 4 weekend. Summer is "over" (kids-wise) in mid-August, in most of USA.
The airlines are hiring again, planes are coming out of the desert, etc, so we are on the right track. Maybe that "missing" 20% of 2019 is our business or international piece.