Field Name Description Support Table 
	 
		Year Year  
		Quarter Quarter Get Lookup Table  
		AirlineID An 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. Get Lookup Table  
		UniqueCarrier Unique Carrier Code. When the same code has been used by multiple carriers, a numeric suffix is used for earlier users, for example, PA, PA(1), PA(2). Use this field for analysis across a range of years. Get Lookup Table  
		UniqueCarrierName Unique Carrier Name. When the same name has been used by multiple carriers, a numeric suffix is used for earlier users, for example, Air Caribbean, Air Caribbean (1).  
		UniqCarrierEntity Unique Entity for a Carrier's Operation Region. Not Available for Three Years When Data are Summarized only on the Carrier Level for Confidentiality. Get Lookup Table  
		CarrierRegion Carrier's Operation Region. Carriers Report Data by Operation Region. Not Available for Three Years When Data are Summarized only on the Carrier Level for Confidentiality. Get Lookup Table  
		Carrier Code 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. For analysis, use the Unique Carrier Code. Get Lookup Table  
		CarrierName Carrier Name  
		CarrierGroup Carrier Group Code.  Used in Legacy Analysis Get Lookup Table  
		CarrierGroupNew Carrier Group New Get Lookup Table  
		AirportType Domestic or International Airport Indicator Get Lookup Table  
		OriginAirportID 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. Get Lookup Table  
		OriginAirportSeqID 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. Get Lookup Table  
		OriginCityMarketID 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. Get Lookup Table  
		Origin Airport Code Get Lookup Table  
		OriginCityName Airport City Name  
		OriginCountryName Country Name  
		OriginStateName State Name  
		OriginStateFips Origin State FIPS Get Lookup Table  
		OriginState Origin State Code Get Lookup Table  
		OriginWac World Area Code Get Lookup Table  
		ServiceClass Service Class (Scheduled, Non-Scheduled, etc.) Get Lookup Table  
		SchDepartures Scheduled Departures  
		DepPerformed Total Departures Performed  
		Passengers Total Passengers  
		Freight Total Freight (Tons)  
		Mail Total Mail (Tons)  
		NumMonths Number of Months that the Carrier Reported in the Quarter (1, 2, or 3)