| Tail Number / N-Number | N421UW |
| Manufacturer | AIRBUS |
| Model | A321-253NX |
| Manufacturer's Serial Number | 10095 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 222 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | AMERICAN AIRLINES INC |
| Street | 1 SKYVIEW DR MD 8B369 |
| City | FORT WORTH |
| State | TX |
| Zip Code | 76155 |
| Region | Southwestern |
| County | Tarrant County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2020-12-15 |
| Last Action Date | 2020-12-15 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51200455 |
| Mode S Code Hex | A5012D |