As an example, the all-business SAS flight from Houston to Norway was targeted at oil company employees [1]. It couldn&#x27;t fly 7 days a week because they had to take the plane offline once a week for cleaning&#x2F;maintenance and there was no other all-business plane to rotate into its place. They stopped the route because the oil price slump reduced travel of oil company employees.<p>[1] <a href="http:&#x2F;&#x2F;thepointsguy.com&#x2F;2015&#x2F;10&#x2F;10-unusual-things-sas-737-transatlantic&#x2F;" rel="nofollow">http:&#x2F;&#x2F;thepointsguy.com&#x2F;2015&#x2F;10&#x2F;10-unusual-things-sas-737-tr...</a>