Airlines
| Name | Country | ICAO | |
|---|---|---|---|
| Shanghai Airlines Flight Status | China | CSH | |
| Shenzhen Airlines Flight Status | China | CSZ | |
| Sichuan Airlines Flight Status | China | CSC | |
| Sierra Pacific Airlines Flight Status | United States | SPA | |
| Singapore Airlines Flight Status | Singapore | SIA | |
| Sky King Flight Status | United States | SGB | |
| Sky Regional Airlines Flight Status | Canada | SKV | |
| SkyLink Express Flight Status | Canada | SLQ | |
| SkyWest Flight Status | United States | SKW | |
| South African Airways Flight Status | South Africa | SAA | |
| Southern Airways Express Flight Status | United States | FDY | |
| Southwest Airlines Flight Status | United States | SWA | |
| Spicejet Flight Status | India | SEJ | |
| Spirit Airlines Flight Status | United States | NKS | |
| Spring Airlines Flight Status | China | CQH |