Passengers at George Bush Intercontinental Airport in Houston are facing potential wait times of over four hours due to the closure of several TSA checkpoints. Bloomberg posted on X that the airport has also suspended all PreCheck and CLEAR operations, leading to significant delays for travelers. The shutdowns have caused disruptions in passenger flow, prompting airport officials to advise travelers to plan accordingly and arrive early to accommodate the extended wait times. The situation underscores the importance of efficient security operations in maintaining smooth airport procedures.