Guaranteeing Airport Physical Screening Standards Act of 2004 - Amends Federal transportation law to set a deadline of 120 days after enactment of this Act for the Under Secretary for Border and Transportation Security of the Department of Homeland Security to require screening or inspection of all individuals, goods, property, vehicles, and other equipment before entry into a secured area of a U.S. airport.
Requires such screening requirements to include at a minimum physical screening for metal objects.
Directs the Secretary of Homeland Security to require random screenings and inspections until such deadline.
Authorizes the Secretary to hire additional passenger and baggage screeners to ensure aviation security.