To expand aviation capacity.

[AI summary unavailable — showing source text] National Aviation Capacity Expansion Act - Directs the Administrator of the Federal Aviation Administration to implement the redesign and reconstruction of Chicago O'Hare International Airport in Cook and DuPage Counties, Illinois, in accordance with a specified runway redesign plan, and the development of a south suburban airport in the Chicago metropolitan region, by facilitating approval, funding, construction, and implementation of such plan and suburban airport. Requires all environmental reviews, analyses, and opinions related to issuance of permits, licenses, or approvals relating to such plan or airport to be conducted on an expedited basis. States that approval by the Administrator of an airport layout plan submitted by Chicago that includes the runway redesign plan shall: (1) provide that any runway located more than 2500 feet south of existing runway 9R-27L shall not begin construction before January 2011; and (2) be subject to the condition that noise impact of aircraft operations at O'Hare after the year in which the first new runway is first used will be less than that in 2000. Prohibits the consideration of such a plan unless it includes public roadway access through…