21 Air, legally named 21 Air, LLC is a cargo airline based in United States, headquartered in Greensboro, Carolina del Norte, United States, with its main operations centered at Aeropuerto Internacional Piedmont Triad (GSO).
21 Air, LLC
IATA
2I
ICAO
CSB
Callsign
CARGO SOUTH
Airline information
| Official name | 21 Air, LLC |
|---|---|
| Trade name | 21 Air |
| Country |
 United States View airlines |
| Type of service | Cargo airline |
| Founded | 2014-02-25 |
| Commenced operations | 2014-04-10 |
| Main airport | Aeropuerto Internacional Piedmont Triad (GSO) |
| Airports served |
|
| Secondary airports |
|
| Headquarters | Greensboro, Carolina del Norte, United States |
| Fleet size | 17 |
| Website | www.21air.us |
Information verified
–
September 26, 2026