| Tail Number / N-Number | N431UA |
| Manufacturer | AIRBUS INDUSTRIE |
| Model | A320-232 |
| Year Built | 1996 |
| Manufacturer's Serial Number | 571 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 200 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | IAE |
| Engine Model | V2500SERIES |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Thrust per Engine | 25,000 pounds-force (111.2 kN) |
| Total Thrust | 50,000 pounds-force (222.4 kN) |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIRLINES INC |
| Street | 233 SOUTH WACKER DR |
| City | CHICAGO |
| State | IL |
| Zip Code | 60606 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-04-10 |
| Certificate Issue Date | 2019-07-03 |
| Last Action Date | 2022-03-09 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51224230 |
| Mode S Code Hex | A52898 |