Booking Classes for Award Tickets

Carrier Award booking classes
First class Business class Economy class
Vietnam Airlines (VN) - O U*, X
Aeroflot (SU) - O X
Aeromexico (AM) - O X
Air France (AF) - O X
Air Europa (UX) - O X
Aerolineas Argentina (AR) - O Z**, X
China Eastern Airlines (MU) A O X
China Southern Airlines (CZ) F O X
China Airlines (CI) - O X
Delta Air Lines (DL)  O O R*, N
Garuda Indonesia Airlines (GA) - O X
Kenya Airways (KQ)  - O X
Korean Air (KE) - O X
Middle East Airlines (ME) - O X
Royal Dutch Airlines (KL)  - O X
Saudi Arabian Airlines (SV) A O X
Scandinavian Airlines (SK) I F*, X 
Tarom (RO) - O X
Virgin Atlantic (VS)
 - P*, A 
iamen Airlines (MF) - O X
All Nippon Airways (NH)  I X

(*) Premium economy class

(**) Club economy class