![](https://www.stopairtaxnow.com/wp-content/uploads/2019/01/iStock-669989594.jpg)
The federal cap on the PFC – currently $4.50 per passenger enplanement or $18 total per itinerary – has not been increased since 2000, despite a doubling of revenue generated from the charge. This rise in revenue, without a rise in the rate, has remained ahead of inflation plus passenger enplanements at primary U.S. airports.