| Field Name | Description | Support Table |
| Year | |
| Quarter (1-4) | Get Lookup Table |
| Month of Year | Get Lookup Table |
| 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 |
| 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 |
| 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). | |
| Unique Entity for a Carrier's Operation Region. | Get Lookup Table |
| Carrier's Operation Region. Carriers Report Data by Operation Region | Get Lookup Table |
| 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 |
| Reporting Carrier Name | |
| Carrier Group Code. Used in Legacy Analysis | Get Lookup Table |
| Carrier Group New | Get Lookup Table |
| 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). | Get Lookup Table |
| Revenue Passengers Enplaned | |
| Revenue Passenger Miles | |
| Revenue Passenger Miles, Coach | |
| Revenue Passenger Miles, First Class | |
| Non-Revenue Passenger Miles | |
| Revenue Ton Miles | |
| Revenue Ton Miles, Freight | |
| Revenue Passenger Ton Miles | |
| Revenue Ton Miles, U.S. Priority Mail | |
| Revenue Ton Miles, U.S. Non-Priority Mail | |
| Revenue Ton Miles, Mail | |
| Revenue Ton Miles, Foreign Mail | |
| Revenue Ton Miles, Express Mail | |
| Non-Revenue Ton Miles | |
| Available Ton Miles | |
| Available Seat Miles | |
| Available Seat Miles (First Class) | |
| Available Seat Miles (Coach) | |
| Revenue Aircraft Miles Flown | |
| Revenue Aircraft Miles Scheduled | |
| Scheduled Revenue Aircraft Miles Completed | |
| Revenue Aircraft Departures Performed | |
| Revenue Aircraft Hours (Airborne) | |
| Aircraft Hours (Ramp to Ramp) | |
