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 | |
| Silver Airways Flight Status | United States | SIL | |
| Singapore Airlines flight status | Singapore | SIA | |
| Sky Regional Airlines | Canada | SKV | |
| SkyLink Express Flight Status | Canada | SLQ | |
| Skymax Flight Status | United States | SMX | |
| Skytrans Flight Status | Australia | SKP | |
| SkyWest Airlines Flight Status | United States | SKW | |
| Songbird Airways | United States | SGB | |
| South African Airways flight status | South Africa | SAA | |
| Southern Airways Express Flight Status | United States | FDY | |
| Southwest flight status | United States | SWA |