Fare Codes for awards & upgrades
Domestic Awards:
X: Standard domestic coach award
O: Standard domestic FC award
Y: Premium domestic coach award
F: Premium domestic FC award
International Awards:
X: Standard international coach award
I: Standard international Envoy award
Y: Premium international coach award
J: Premium international Envoy award
Upgrades:
E - Domestic First upgrade from discount fare
P - Domestic upgrade from full fare
R - international upgrade to Envoy