Originally Posted by
bcm0830
Does anyone have recent data points to share on upgrades clearing J-F using miles? I'm flying ATH-EWR next month, and F has been completely empty since I booked the ticket. However, they haven't opened any upgrade or F award seats for some reason. Not sure what others are seeing on this or other routes?
Is this a Saver J? If so, it *appears* (but not confirmed) that F upgrades are no longer allowed until check-in :-
Big & Bad Changes to EK Redemptions and Upgrades - June 2021 - FlyerTalk Forums