| Tail Number / N-Number | N401UA |
| Manufacturer | AIRBUS INDUSTRIE |
| Model | A320-232 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 435 |
| 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 DRIVE |
| City | CHICAGO |
| State | IL |
| Zip Code | 60606 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-12-13 |
| Certificate Issue Date | 2017-06-27 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51131033 |
| Mode S Code Hex | A4B21B |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N401UA.
| Tail Number / N-Number | N401UA |
| Manufacturer | AIRBUS INDUSTRIE |
| Model | A300 B4 |
| Manufacturer's Serial Number | 118 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 345 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| County | Cook County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1989-04-05 |
| Exported To | ITALY |