This is when the premium economy fare is available in: This cabin class is built to provide seats which are a little bit roomier than coach and come with several business-class perks but are still relatively moderately priced. But not all premium economy cabins are well worth the excess expense. https://medium.com/@firstclasstohouston/experience-the-finest-business-class-flights-with-expert-travel-care-1646e67abdd5?postPublishedType=initial