The time of day and season can have an impact on security wait times at Denver International Airport (DEN), a key hub. Denver Airport Security Wait Times is generally expected that customers will arrive at least two hours prior to their domestic departure and three hours prior to their international trip. Wait times could be longer during periods of high travel demand, including holidays or early mornings. DEN provides the TSA PreCheck program to help reduce delays and expedite the screening procedure for qualified travelers. Travelers can plan their visit by using the airport’s website or mobile apps to get real-time wait time updates.