Join Date: Jan 2011
Location: Boston, MA, USA
Programs: FB LTPE, BAEC GGL, EK Blue, SK Gold, Marriott Amb+LTT, IHG Diamond Amb, Accorhotels Silver
Posts: 2,090
AFAIK, upgrades chart and rules on AF flights are based on both booking classes and not fare codes, so there should be no issue if the flight is AF coded.