About Atlas / Southern Air
Atlas / Southern Air is a cargo United States airline headquartered in Florence, KY. The carrier operates under the IATA designator 9S and the ICAO designator SOO; air-traffic controllers address its flight crews on the radio with the callsign "SOUTHERN AIR". The airline was founded in 1947 and currently operates a fleet of approximately 16 aircraft.
Within the US air-travel ecosystem, Atlas / Southern Air sits in the "Cargo" segment. Cargo carriers move freight, parcels, and mail rather than passengers. Their schedules are built around overnight sort facilities and integrator deadlines rather than business-day passenger demand.
Codes & identifiers
| Legal / brand name | Atlas / Southern Air |
|---|---|
| IATA code | 9S |
| ICAO code | SOO |
| Radio callsign | SOUTHERN AIR |
| Category | Cargo |
| Headquarters | Florence, KY |
| Year founded | 1947 |
| Fleet size | 16 aircraft |
| Official website | www.southernair.com |
Hub & focus airports
The airports below are listed as hubs or focus cities for Atlas / Southern Air. From these airports the carrier operates the densest schedule of nonstop departures, holds the most gate space, and typically supports the broadest range of international or long-haul service.
| Airport | City | State | IATA | Class |
|---|---|---|---|---|
| Cincinnati Northern Kentucky International Airport | Cincinnati / Covington | KY | CVG |
Large hub |
| Miami International Airport | Miami | FL | MIA |
Large hub |
Booking & service notes
Schedules, fares, and aircraft assignments for Atlas / Southern Air change frequently, sometimes weekly. The data on this page is intended as a stable reference for codes, headquarters, fleet scale, and hub list; for live availability, fare class rules, baggage policies, and seat selection, always consult the carrier's own booking system at www.southernair.com. When a flight is operated under Atlas / Southern Air's code but flown by a regional partner, the operating carrier is normally disclosed on the booking page; this distinction matters for elite-status benefits and, in rare cases, for irregular-operations rebooking.