Active U.S. Air Carrier and General Aviation Fleet by Type of Aircraft

KEY: N = data do not exist; P = preliminary; R = revised; U = data are not available.

^a Air carrier aircraft are aircraft carrying passengers or cargo for hire under 14 CFR 121 (large aircraft-more than 30 seats) and 14 CFR 135 (small aircraft-30 seats or less). This definition is more encompassing than that in the Federal Aviation Administration (FAA) Aviation Forecast- jet aircraft, 60 seats or more carrying passengers or cargo for hire. Beginning in 1990, the number of aircraft is the monthly average reported in use for the last three months of the...

ADA Lift- or Ramp-Equipped Transit Buses

KEY:  ADA = Americans with Disabilities Act of 1992; N = data do not exist.

^a From 2012 includes articulated bus, bus, double decker bus, over-the-road bus, school bus, trolleybus and vintage trolley.

Estimated U.S. Roadway Lane-Miles by Functional System

^a Includes the 50 States and the District of Columbia.

^bUrban other arterial include other freeways and expressways, other principal arterial, and minor arterial. Rural other arterial includes other principal arterial and minor arterial prior to 2009 and other freeways and expressways, other principal arterial and minor arterial for 2009 and later.

^cCollector is the sum of major and minor collectors. 

U.S. Gross Domestic Product (GDP) Attributed to Transportation Functions

KEY: R = revised; U = data are not available.

^a The market value of goods and services purchased by U.S. residents, regardless of where those goods and services were produced. It is gross domestic product (GDP) minus net exports of goods and services.

^bExports minus Imports.

^c Federal purchases and State and local purchases are the sum of consumption expenditures and gross investment.

^d Defense-related purchases are the sum of transportation of material...

U.S. Gross Domestic Product (GDP) Attributed to For-Hire Transportation Services

KEY: R = revised.

U.S. Gross Domestic Product (GDP) Attributed to For-Hire Transportation Services

KEY: R = revised.

FAA-Cited Causes of Departure and En Route Delays

KEY: FAA = Federal Aviation Administration; U = data are unavailable.

Flight Operations Arriving On Time by the Largest U.S. Air Carriers

^a Prior to 2018, data include nonstop scheduled service between points within the United States (including territories) by U.S. air carriers with at least 1% of the total domestic scheduled service passenger revenues and those carriers that report voluntarily. 2018 and after includes all operating reporting U.S. carriers.

Baggage Mishandled by Marketing U.S. Air Carriers

KEY: N = data do not exist; NA = not applicable; R = revised.

^a 1990-2018 Data include nonstop scheduled service between points within the United States (including territories) by U.S. air carriers with at least 1% of the total domestic scheduled service passenger revenues and those carriers that report voluntarily. Starting in 2019, data include all marketing U.S. air carriers.

^b Enplaned passenger data is limited only to include air carriers that reported mishandled baggage data and are not representative of total...

Passengers Boarded and Denied Boarding by the Largest U.S. Air Carriers

KEY: R = revised.

^a Before 1994, carriers included both majors and national airlines, i.e., airlines with over $100 million in revenue. Prior to 2018, data include nonstop scheduled service between points within the United States (including territories) by U.S. air carriers with at least 1% of the total domestic scheduled service passenger revenues and operate aircraft with a passenger capacity of more than 60 seats. In 2018 and later, data include all reporting operating U.S. airlines.

^b Number of passengers who hold...