Question: what is united economy k class?
Answer: K – Economy – Discounted. ... N – Economy – Discounted. O – First Class (3-cabin) – MileagePlus Saver Award (“ON” is upgrade class on 3-cabin aircraft) P – First/Business class – Discounted (“PN” is upgrade from B/M-fares for elites; only GS/1K can upgrade from M) Q – Economy.