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   Overview
The Air Carrier Statistics database, also known as the T-100 data bank, contains domestic and international airline market and segment data. certificated U.S. air carriers report monthly air carrier traffic information using Form T-100. Foreign carriers having at least one point of service in the United States or one of its territories report monthly air carrier traffic information using Form T-100(f). The data is collected by the Office of Airline Information, Bureau of Transportation Statistics, Research and Innovative Technology Administration.

The tables in this database provide international market, international segment, combined table for domestic and international market, combined table for domestic and international segment data by certificated U.S. and foreign air carriers.The tables combine the information reported in T-100 and T-100(f).

This database is frequently used by the aviation industry, the press, and the legislature to produce reports and analyses on air traffic patterns, carrier market shares, as well as passenger, freight, and mail cargo flow within the aviation mode. The data is conducive to producing carrier load-factors, but does not contain carrier financial information.
   Coverage
Large certified carriers hold Certificates of Public Convenience and Necessity issued by the U.S. Department of Transportation authorizing the performance of air transportation with annual operating revenues of $20 million or more.
* For reporting requirements, please see 14 CFR 241.
* The T-100 Reporting Guide contains guidance for carriers.
* The Accounting and Reporting Directives provide more information for carriers.
   Availability
 
 
First Year1990
Last Year2014
FrequencyMonthly
  • Pre-1990 data exists in the Air Carrier Summary Data. See Related Links below
 
   Data Tables
View tables in this database ...
T-100 Domestic Market (All Carriers)
This table contains domestic market data reported by both U.S. and foreign air carriers, including carrier, origin, destination, and service class for enplaned passengers, freight and mail when both origin and destination airports are located within the boundaries of the United States and its territories. For a uniform end date for the combined databases, the last 3 months U.S. carrier domestic data released in T-100 Domestic Market (U.S. Carriers Only) are not included.
T-100 Domestic Segment (All Carriers)
This table contains domestic non-stop segment data reported by both U.S. and foreign air carriers, including carrier, origin, destination, aircraft type and service class for transported passengers, freight and mail, available capacity, scheduled departures, departures performed, aircraft hours, and load factor when both origin and destination airports are located within the boundaries of the United States and its territories. For a uniform end date for the combined databases, the last 3 months U.S. carrier domestic data released in T-100 Domestic Segment (U.S. Carriers Only) are not included.
T-100 International Market (All Carriers)
This table contains international market data reported by both U.S. and foreign air carriers, including carrier, origin, and destination for enplaned passengers, freight and mail when at least one point of service is in the United States or one of its territories. International flight data is released 3 months after domestic data. Flights with both origin and destination in a foreign country are not included.
T-100 International Segment (All Carriers)
This table contains international non-stop segment data reported by both U.S. and foreign air carriers, including carrier, origin, destination, aircraft type and service class for transported passengers, freight and mail, available capacity, scheduled departures, departures performed, aircraft hours, and load factor when at least one point of service is in the United States or one of its territories. International flight data is released 3 months after domestic data. Flights with both origin and destination in a foreign country are not included.
T-100 Market (All Carriers)
This table combines domestic and international market data reported by U.S. and foreign air carriers, and contains market data by carrier, origin and destination, and service class for enplaned passengers, freight, and mail. For a uniform end date for the combined databases, the last 3 months U.S. carrier domestic data released in T-100 Domestic Market (U.S. Carriers Only) are not included. Flights with both origin and destination in a foreign country are not included.
T-100 Segment (All Carriers)
This table combines domestic and international T-100 segment data reported by U.S. and foreign air carriers, and contains non-stop segment data by aircraft type and service class for transported passengers, freight and mail, available capacity, scheduled departures, departures performed, aircraft hours, and load factor. For a uniform end date for the combined databases, the last 3 months U.S. carrier domestic data released in T-100 Domestic Segment (U.S. Carriers Only) are not included. Flights with both origin and destination in a foreign country are not included.
 
   Related Links
 
Air Carrier Origin & Destination Survey
Airline On-Time Performance Data
Airline On-Time Performance Data
Guide to sources of air carrier traffic data (including help using TranStats)
Scheduled Passenger Data Tool (2000-present)
US Air Carrier Traffic Tool (1996-present)
 
   Terms and Definitions
Air FreightProperty, other than express and passenger baggage transported by air.
Air TimeThe airborne hours of aircraft computed from the moment an aircraft leaves the ground until it touches the ground at the end of a flight stage.
Aircraft ConfigurationThe type of payload an aircraft was designed to carry: passenger, cargo, or both.
Airline IDAn identification number assigned by US DOT to identify a unique airline (carrier). A unique airline (carrier) is defined as one holding and reporting under the same DOT certificate regardless of its Code, Name, or holding company/corporation. Use this field for analysis across a range of years.
Airport CodeA three character alpha-numeric code issued by the U.S. Department of Transportation which is the official designation of the airport. The airport code is not always unique to a specific airport because airport codes can change or can be reused.
Airport IDAn identification number assigned by US DOT to identify a unique airport. Use this field for airport analysis across a range of years because an airport can change its airport code and airport codes can be reused.
Carrier CodeCode assigned by IATA and commonly used to identify a carrier. As the same code may have been assigned to different carriers over time, the code is not always unique.
City Market IDAn identification number assigned by US DOT to identify a city market. Use this field to consolidate airports serving the same city market.
Departures PerformedTakeoffs made at an airport. (same as Completed Departures)
Departures ScheduledTakeoffs scheduled at an airport, as set forth in published schedules. (same as Scheduled Departures)
Destination State FIPSThe FIPS code for the destination state. (see FIPS)
FIPSFederal Information Processing Standards. Usually referring to a code assigned to any of a variety of geographic entities (e.g. counties, states, metropolitan areas, etc). FIPS codes are intended to simplify the collection, processing, and dissemination of data and resources of the Federal Government.
Market (Using T100 Data)Market data are passenger, freight, and/or mail that enplane and deplane between two specific points, while the flight number remains the same. If the flight number changes a new market begins. For more details go to Frequently Asked Questions.
MileA statute mile (5,280 feet). All mileage computations are based on statute miles.
Origin State FIPSThe FIPS code for the origin state. (see FIPS)
PassengerAny person on board a flight who is not a member of the flight or cabin crew.
PayloadEqual to the certificated takeoff weight of an aircraft, less the empty weight, less all justifiable aircraft equipment, and less the operating load (consisting of minimum fuel load, oil, flight crew, steward's supplies, etc).
Ramp To Ramp TimeThe time computed from the moment an aircraft first moves under its own power for purposes of flight, until it comes to rest at the next point of landing.
RevenuePertaining to activities for which remuneration is received by the carrier.
Seats AvailableInstalled seats in an aircraft (including seats in lounges) exclusive of any seats not offered for sale to the public by the carrier; provided that in no instance shall any seat sold be excluded from the count of available seats.
SegmentA pair of points served or scheduled to be served by a single stage of at least one flight at any given time.
Unique CarrierUnique Carrier Code. It is the Carrier Code most recently used by a carrier. A numeric suffix is used to distinguish duplicate codes, for example, PA, PA (1), PA (2). Use this field to perform analysis of data reported by one and only one carrier.
Unique Carrier EntityUnique Carrier Entity. This field distinguishes entities used by two or more carriers with a numeric suffix, for example, 06038 and 06038 (1).
Unique Carrier NameUnique Carrier Name. It is the name most recently used by a carrier. If two or more carriers have the same most recent name, a numeric suffix is used to distinguish them, for example, Air Caribbean, Air Caribbean (1).
World Area Code (WAC)Numeric codes used to identify geopolitical areas such as countries, states (U.S.), provinces (Canada), and territories or possessions of certain countries. The codes are used within the various data banks maintained by the Office of Airline Information (OAI) and are created by OAI.
 
   Data Source and Contacts
 
Data Provider AgencyRITA/BTS
Data Provider OfficeOffice of Airline Information
BTS ContactTranStats Customer Support
Phone:(800) 853-1351
Email: ritainfo@dot.gov
 



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