Delta Fare class Z is a revenue fare/booking class of service that is marketed as Discount First Class / Delta One on Delta Air Lines. The fare class is considered a discounted First Class / Delta One.
Economy class, also called third class, coach class, steerage, or to distinguish it from the slightly more expensive premium economy class, standard economy class or budget economy class, is the lowest travel class of seating in air travel, rail travel, and sometimes ferry or maritime travel.
The ICAO phonetic alphabet has assigned the 26 code words to the 26 letters of the English alphabet in alphabetical order: Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu.
F - First Class. G - Conditional Reservation. H - Economy/Coach Discounted – Usually an upgradable fare to Business. J - Business Class Premium. K - Economy/Coach Discounted.
Economy Class cabins are broken down into two categories. “Regular Economy” and “Premium Economy.” Economy Class seating is the most basic of accommodations. Economy passengers receive standard service with no real perks.