| Field Name | Description |
|---|
| Year | Year | |
| Quarter | Quarter (1-4) | Analysis |
| Month | Month of Year | Analysis |
| 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. | Analysis |
| 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. | Analysis |
| 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. | Analysis |
| CarrierRegion | Carrier's Operation Region. Carriers Report Data by Operation Region | Analysis |
| 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. | |
| CarrierName | Reporting Carrier Name | |
| CarrierGroup | Carrier Group Code. Used in Legacy Analysis | Analysis |
| CarrierGroupNew | Carrier Group New | Analysis |
| ServiceClass | Type of service provided (Scheduled, Non-Scheduled, etc.). Note that some service classes are sums of other detailed classes, for example, K (F+G), V (L+N+P+R), and Z (K+V). | Analysis |
| RevPaxEnplaned | Revenue Passengers Enplaned | Analysis |
| RevPaxMiles | Revenue Passenger Miles | Analysis |
| RPMCoach | Revenue Passenger Miles, Coach | Analysis |
| RPMFirstClass | Revenue Passenger Miles, First Class | Analysis |
| NonRevPaxMiles | Non-Revenue Passenger Miles | Analysis |
| RevTonMiles | Revenue Ton Miles | Analysis |
| RTMFreight | Revenue Ton Miles, Freight | Analysis |
| RevPaxTonMiles | Revenue Passenger Ton Miles | Analysis |
| RTMUSPrMail | Revenue Ton Miles, U.S. Priority Mail | Analysis |
| RTMUSNonPrMail | Revenue Ton Miles, U.S. Non-Priority Mail | Analysis |
| RTMMail | Revenue Ton Miles, Mail | Analysis |
| RTMForeignMail | Revenue Ton Miles, Foreign Mail | Analysis |
| RTMExpress | Revenue Ton Miles, Express Mail | Analysis |
| NonRevTonMiles | Non-Revenue Ton Miles | Analysis |
| AvailTonMiles | Available Ton Miles | Analysis |
| AvailSeatMiles | Available Seat Miles | Analysis |
| ASMFirstClass | Available Seat Miles (First Class) | Analysis |
| ASMCoach | Available Seat Miles (Coach) | Analysis |
| RevMilesFlown | Revenue Aircraft Miles Flown | Analysis |
| RevMilesSched | Revenue Aircraft Miles Scheduled | Analysis |
| SchRAMComp | Scheduled Revenue Aircraft Miles Completed | Analysis |
| RADPerformed | Revenue Aircraft Departures Performed | Analysis |
| RevAirHours | Revenue Aircraft Hours (Airborne) | Analysis |
| AirHoursRampToRamp | Aircraft Hours (Ramp to Ramp) | Analysis |
