| Field Name | Description |
|---|
| Year | Year | |
| Month | Month | Analysis |
| Quarter | Quarter (1-4) | 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 |
| 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 | Carrier Name | |
| 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). | |
| Passengers | On-Flight Market Passengers Enplaned | Analysis |
| Mishandled_Baggage | Number of Mishandled Bags | Analysis |
| Enplaned_Baggage | Number of Bags Enplaned | Analysis |
| Mishandled_WheelChairs_Scooters | Number of Mishandled Wheelchairs and Scooters | |
| Enplaned_WheelChairs_Scooters | Number of Wheelchairs and Scooters Enplaned | |
| FormType | Form-1 is Operating Carrier, Form-2 is Codeshare Carrier | |
