Millions of Americans are hitting the skies and roads after Fourth of July celebrations, making it the busiest travel day ever for TSA screenings. Expecting over 3 million passengers, surpassing the previous record set in June. Chicago O'Hare International Airport has the highest traffic, with over 20,000 flight delays and 600 cancellations causing disruptions. American Airlines is set for their busiest day of the summer, scheduling over 6,000 flights. AAA warns of up to 67% longer road travel, advising motorists to leave before 11 a.m. Experts urge travelers to remain patient and prepared for potential delays. With flight statuses available for review, travelers are reminded to stay aware and plan accordingly for the record-breaking travel day.