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This map depicts large, medium, and small airport hubs. Hub definitions are derived from the Federal Aviation Administration's (FAA) current National Plan of Integrated Airport Systems (NPIAS) 2025–2029, which can be found below:
Large hub: Receives 1 percent or more of the annual U.S. commercial enplanements.
Medium hub: Receives 0.25 to 1.0 percent of the annual U.S. commercial enplanements.
Small hub: Receives 0.05 to 0.25 percent of the annual U....
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The Bureau of Transportation Statistics (BTS), part of the Department of Transportation (DOT) is the preeminent source of statistics on commercial aviation, multimodal freight activity, and transportation economics, and provides context to decision makers and the public for understanding statistics on transportation. BTS assures the credibility of its products and services through rigorous analysis, transparent data quality, and independence from political influence.
This document provides instructions on how to retrieve data from the Transportation Satellite Accounts and the steps involved to answer specific questions, such as the contribution of in-house versus for-hire transportation to the economy.
The TSAs provide a comprehensive means for...
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