USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation
BTS> TranStats
transtats logo
 
Advanced Search
Resources
Data Finder
By Mode
By Subject
Origin and Destination Survey : DB1CSegment
Latest Available Data: July 2026 Databases    Data Tables    Table Contents
Download Instructions
Filter Geography
Filter Year
Filter Period
      Prezipped File      % Missing in table         Documentation        
Field NameDescriptionSupport Table
Itinerary ID
Market ID
In international travel, the port where customs clearance takes place
Coupon Sequence Number
Reporting YeaR
Reporting Quarter (1-4)
Reporting Month (1-12)
Scheduled flight year of segment. "Scheduled" as ticket was sold.
Scheduled flight quarter of segment. "Scheduled" as ticket was sold.
Scheduled month year of segment. "Scheduled" as ticket was sold.
Origin Airport, Airport ID. An 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.
Origin Airport, Airport Sequence ID. An identification number assigned by US DOT to identify a unique airport at a given point of time. Airport attributes, such as airport name or coordinates, may change over time.
Origin Airport, City Market ID. City Market ID is an identification number assigned by US DOT to identify a city market. Use this field to consolidate airports serving the same city market.
Origin airport code. A 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 o
Origin Airport, Country
Origin Airport, State FIPS
Origin Airport, State
Origin State Name
Origin Airport, World Area Code. 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
Destination Airport, Airport ID. An 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.
Destination Airport, Airport Sequence ID. An identification number assigned by US DOT to identify a unique airport at a given point of time. Airport attributes, such as airport name or coordinates, may change over time.
Destination Airport, City Market ID. City Market ID is an identification number assigned by US DOT to identify a city market. Use this field to consolidate airports serving the same city market.
Destination airport code. A 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 ch
Destination Airport, Country
Destination Airport, State FIPS
Destination Airport, State
Destination State Name
Destination Airport, World Area Code. 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 mainta
Reporting Carrier ID
Reporting Carrier Code
Issuing Carrier ID
Issuing Carrier Code
Marketing Carrier ID
Marketing Carrier Code for On-line Itineraries (otherwise equal to 99)
Operating Carrier ID
Operating Carrier Code for On-line Itineraries (otherwise equals to 99)
Number of Passengers
Individual segments distances and update mkt_distance and seg_distance names
Distance group
Itinerary Geography Type