While we wait for the TSA link to work again, here are "airport movement statistics" for various airports. They may provide traffic insight for leisure and international traffic.
MCO (leisure/Orlando):
https://www.radarbox.com/statistics/airports/KMCO
LAS (leisure/Las Vegas):
https://www.radarbox.com/statistics/airports/KLAS
JFK (may provide insight for international activity):
https://www.radarbox.com/statistics/airports/KJFK