Question: what is united economy l?
Answer: L – Economy – Discounted. M – Economy. 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)