About 100,000 people passed through Louisville's Muhammad Ali International Airport during Thanksgiving week. That's according to Derby in Louisville. The airport says despite the big numbers, everything seems to go smoothly at the TSA, checkpoints and baggage claim said. More than 55 million people were expected to fly over Thanksgiving and another 49 million were expected to drive. Both numbers were up from last year. The TSA says it's growing more than 2.9 million people nationwide. Yesterday, the busiest day for air travel ever.