| City Name | Country | Airport Name |
|---|---|---|
| SALT LAKE CITY | UNITED STATES | SALT LAKE CITY |
| SAN ANTONIO | UNITED STATES | SAN ANTONIO INTL |
| SAN DIEGO | UNITED STATES | SAN DIEGO |
| SAN FRANCISCO | UNITED STATES | SAN FRANCISCO |
| SAVANNAH | UNITED STATES | SAVANNAH |
| SEATTLE | UNITED STATES | TACOMA |
| SEATTLE BOEING FIELD | UNITED STATES | KING COUNTY INTL |
| SIOUX FALLS | UNITED STATES | SIOUX FALLS |
| SPOKANE INTL | UNITED STATES | SPOKANE INTL |
| ST. LOUIS | UNITED STATES | ST. LOUIS INTL |