 Those numbers still significant, but less than yesterday's numbers. We now have about 460 cancellations and less than 3,000 delays. And, of course, this comes as we are entering the busiest stretch of July 4th travel. The TSA says from last Thursday through July 8th, the TSA expects to screen more than 28 million people. ABC News correspondent Alexis Christophers tonight. Look at your cup holder. It's empty. And you're feeling thirsty.