Question: what is united economy x class?
Answer: N – Economy – Discounted. O – First Class (3-cabin) – MileagePlus Saver Award (“ON” is upgrade class on 3-cabin aircraft) ... X – Economy – MileagePlus Saver Award (“XN” is expanded availability for elites) Y – Economy – Full fare (“YN” is an expanded MileagePlus Standard Award for elites and Chase credit card holders)