| Tail Number / N-Number | N728SW |
| Manufacturer | BOEING |
| Model | 737-7H4 |
| Year Built | 1999 |
| Manufacturer's Serial Number | 27860 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 140 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL. |
| Engine Model | CFM56 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Horsepower per Engine | 2,200 hp (1,641 kW) |
| Total Horsepower | 4,400 hp (3,282 kW) |
| Type of Registrant | Corporation |
| Owner Name | SOUTHWEST AIRLINES CO |
| Street | 2702 LOVE FIELD DR HDQ-4GC |
| City | DALLAS |
| State | TX |
| Zip Code | 75235-1908 |
| Region | Southwestern |
| County | Dallas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-05-19 |
| Certificate Issue Date | 1999-06-21 |
| Last Action Date | 2020-04-30 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52341351 |
| Mode S Code Hex | A9C2E9 |