 Airport workers seeing the crush of summer travelers. ABC's Faith Abubay at Hartsfield Jackson International Airport in Atlanta as records are going to fall. TSA is experiencing some of its highest passenger counts ever. In fact, this past Friday was the fourth busiest day on record for the TSA. Nearly three million passengers screened at airports nationwide. But it's this coming Wednesday, July 3rd, that'll likely be the busiest day to head to your destination this holiday period.