The current fee is $2.50 for a non-stop flight or $5 for a connecting flight. The new fee will be $5.60 for all flights, with any connection longer than four hours counting as a separate flight.

So passengers with non-stop flights or long layovers will sense the difference the most.

The agency will collect comments through August 19. And it's already getting pounded: 

The TSA has wasted tremendous traveler time and money, with useless security theater and lobbyist payout devices like whole-body scanners.