Originally Posted by
AirbusA350
Nothing I'm afraid unless you have a Priority Pass or something similar yourself or unless AA extend their opening hours or you arrive super early and manage to utilise the AA lounge before they sharply close at 15:00. I believe even pre-COVID AA lounge closed quite early compared to the CX lounge if my memory serves me right and hence I wouldn't be holding out on AA extending their hours any time soon! The Sheltair lounge is only for Finnair passengers.
Priority pass isn't much help, they only suggest T1, 2D and 2E nothing in 2A or 2C and I don't think you can get to 2D or 2E airside unless your flying from those terminals